The Math Behind Bitcoin - CoinDesk

How does solving "complex mathematical problems" generate bitcoin?

I read online that bitcoin mining essentially involves using expensive rigs to solve very complex mathematical problems. What are these problems exactly and why do their solutions hold monetary value?
submitted by LoeIQ to NoStupidQuestions [link] [comments]

Bitcoin mentioned around Reddit: How does solving "complex mathematical problems" generate bitcoin? /r/NoStupidQuestions

Bitcoin mentioned around Reddit: How does solving submitted by BitcoinAllBot to BitcoinAll [link] [comments]

HELP..I have a mathematical problem with bitcoin and you are all solving complex stuff..

the main point is.
1000 coins are produced in a certain amount of time.. using xyz amount of elecrticity...
If twenty thousand times more electricity is used then still only 1000 coins are produced in that time..
So the coins could be produced a lot more efficiently but the network would have to work out how to share them out rather than waging computing power warfare...
submitted by coinred to Bitcoin [link] [comments]

Infuriating WSJ Quote: "Users "mine," or create, bitcoins by tapping high-powered computers to answer complex mathematical problems. The coins are stored in digital wallets that have proven to be susceptible to hacking."

ARRRRRRRGGGGGGGG!!!!!!1!!11!!1!!
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CC0QqQIwAA&url=http%3A%2F%2Fonline.wsj.com%2Farticle%2FSB10001424052702303873604579493901002691642.html&ei=iSNHU-qNKoX4yAGQt4HABw&usg=AFQjCNEntWtp_Yivc6hxt7QeY7OTdXPebQ&sig2=3SEk2oFCXaLLRGeStqqagg&bvm=bv.64542518,d.aWc
submitted by BTCFinance to Bitcoin [link] [comments]

Ultimate glossary of crypto currency terms, acronyms and abbreviations

I thought it would be really cool to have an ultimate guide for those new to crypto currencies and the terms used. I made this mostly for beginner’s and veterans alike. I’m not sure how much use you will get out of this. Stuff gets lost on Reddit quite easily so I hope this finds its way to you. Included in this list, I have included most of the terms used in crypto-communities. I have compiled this list from a multitude of sources. The list is in alphabetical order and may include some words/terms not exclusive to the crypto world but may be helpful regardless.
2FA
Two factor authentication. I highly advise that you use it.
51% Attack:
A situation where a single malicious individual or group gains control of more than half of a cryptocurrency network’s computing power. Theoretically, it could allow perpetrators to manipulate the system and spend the same coin multiple times, stop other users from completing blocks and make conflicting transactions to a chain that could harm the network.
Address (or Addy):
A unique string of numbers and letters (both upper and lower case) used to send, receive or store cryptocurrency on the network. It is also the public key in a pair of keys needed to sign a digital transaction. Addresses can be shared publicly as a text or in the form of a scannable QR code. They differ between cryptocurrencies. You can’t send Bitcoin to an Ethereum address, for example.
Altcoin (alternative coin): Any digital currency other than Bitcoin. These other currencies are alternatives to Bitcoin regarding features and functionalities (e.g. faster confirmation time, lower price, improved mining algorithm, higher total coin supply). There are hundreds of altcoins, including Ether, Ripple, Litecoin and many many others.
AIRDROP:
An event where the investors/participants are able to receive free tokens or coins into their digital wallet.
AML: Defines Anti-Money Laundering laws**.**
ARBITRAGE:
Getting risk-free profits by trading (simultaneous buying and selling of the cryptocurrency) on two different exchanges which have different prices for the same asset.
Ashdraked:
Being Ashdraked is essentially a more detailed version of being Zhoutonged. It is when you lose all of your invested capital, but you do so specifically by shorting Bitcoin. The expression “Ashdraked” comes from a story of a Romanian cryptocurrency investor who insisted upon shorting BTC, as he had done so successfully in the past. When the price of BTC rose from USD 300 to USD 500, the Romanian investor lost all of his money.
ATH (All Time High):
The highest price ever achieved by a cryptocurrency in its entire history. Alternatively, ATL is all time low
Bearish:
A tendency of prices to fall; a pessimistic expectation that the value of a coin is going to drop.
Bear trap:
A manipulation of a stock or commodity by investors.
Bitcoin:
The very first, and the highest ever valued, mass-market open source and decentralized cryptocurrency and digital payment system that runs on a worldwide peer to peer network. It operates independently of any centralized authorities
Bitconnect:
One of the biggest scams in the crypto world. it was made popular in the meme world by screaming idiot Carlos Matos, who infamously proclaimed," hey hey heeeey” and “what's a what's a what's up wasssssssssuuuuuuuuuuuuup, BitConneeeeeeeeeeeeeeeeeeeeeeeect!”. He is now in the mentally ill meme hall of fame.
Block:
A package of permanently recorded data about transactions occurring every time period (typically about 10 minutes) on the blockchain network. Once a record has been completed and verified, it goes into a blockchain and gives way to the next block. Each block also contains a complex mathematical puzzle with a unique answer, without which new blocks can’t be added to the chain.
Blockchain:
An unchangeable digital record of all transactions ever made in a particular cryptocurrency and shared across thousands of computers worldwide. It has no central authority governing it. Records, or blocks, are chained to each other using a cryptographic signature. They are stored publicly and chronologically, from the genesis block to the latest block, hence the term blockchain. Anyone can have access to the database and yet it remains incredibly difficult to hack.
Bullish:
A tendency of prices to rise; an optimistic expectation that a specific cryptocurrency will do well and its value is going to increase.
BTFD:
Buy the fucking dip. This advise was bestowed upon us by the gods themselves. It is the iron code to crypto enthusiasts.
Bull market:
A market that Cryptos are going up.
Consensus:
An agreement among blockchain participants on the validity of data. Consensus is reached when the majority of nodes on the network verify that the transaction is 100% valid.
Crypto bubble:
The instability of cryptocurrencies in terms of price value
Cryptocurrency:
A type of digital currency, secured by strong computer code (cryptography), that operates independently of any middlemen or central authoritie
Cryptography:
The art of converting sensitive data into a format unreadable for unauthorized users, which when decoded would result in a meaningful statement.
Cryptojacking:
The use of someone else’s device and profiting from its computational power to mine cryptocurrency without their knowledge and consent.
Crypto-Valhalla:
When HODLers(holders) eventually cash out they go to a place called crypto-Valhalla. The strong will be separated from the weak and the strong will then be given lambos.
DAO:
Decentralized Autonomous Organizations. It defines A blockchain technology inspired organization or corporation that exists and operates without human intervention.
Dapp (decentralized application):
An open-source application that runs and stores its data on a blockchain network (instead of a central server) to prevent a single failure point. This software is not controlled by the single body – information comes from people providing other people with data or computing power.
Decentralized:
A system with no fundamental control authority that governs the network. Instead, it is jointly managed by all users to the system.
Desktop wallet:
A wallet that stores the private keys on your computer, which allow the spending and management of your bitcoins.
DILDO:
Long red or green candles. This is a crypto signal that tells you that it is not favorable to trade at the moment. Found on candlestick charts.
Digital Signature:
An encrypted digital code attached to an electronic document to prove that the sender is who they say they are and confirm that a transaction is valid and should be accepted by the network.
Double Spending:
An attack on the blockchain where a malicious user manipulates the network by sending digital money to two different recipients at exactly the same time.
DYOR:
Means do your own research.
Encryption:
Converting data into code to protect it from unauthorized access, so that only the intended recipient(s) can decode it.
Eskrow:
the practice of having a third party act as an intermediary in a transaction. This third party holds the funds on and sends them off when the transaction is completed.
Ethereum:
Ethereum is an open source, public, blockchain-based platform that runs smart contracts and allows you to build dapps on it. Ethereum is fueled by the cryptocurrency Ether.
Exchange:
A platform (centralized or decentralized) for exchanging (trading) different forms of cryptocurrencies. These exchanges allow you to exchange cryptos for local currency. Some popular exchanges are Coinbase, Bittrex, Kraken and more.
Faucet:
A website which gives away free cryptocurrencies.
Fiat money:
Fiat currency is legal tender whose value is backed by the government that issued it, such as the US dollar or UK pound.
Fork:
A split in the blockchain, resulting in two separate branches, an original and a new alternate version of the cryptocurrency. As a single blockchain forks into two, they will both run simultaneously on different parts of the network. For example, Bitcoin Cash is a Bitcoin fork.
FOMO:
Fear of missing out.
Frictionless:
A system is frictionless when there are zero transaction costs or trading retraints.
FUD:
Fear, Uncertainty and Doubt regarding the crypto market.
Gas:
A fee paid to run transactions, dapps and smart contracts on Ethereum.
Halving:
A 50% decrease in block reward after the mining of a pre-specified number of blocks. Every 4 years, the “reward” for successfully mining a block of bitcoin is reduced by half. This is referred to as “Halving”.
Hardware wallet:
Physical wallet devices that can securely store cryptocurrency maximally. Some examples are Ledger Nano S**,** Digital Bitbox and more**.**
Hash:
The process that takes input data of varying sizes, performs an operation on it and converts it into a fixed size output. It cannot be reversed.
Hashing:
The process by which you mine bitcoin or similar cryptocurrency, by trying to solve the mathematical problem within it, using cryptographic hash functions.
HODL:
A Bitcoin enthusiast once accidentally misspelled the word HOLD and it is now part of the bitcoin legend. It can also mean hold on for dear life.
ICO (Initial Coin Offering):
A blockchain-based fundraising mechanism, or a public crowd sale of a new digital coin, used to raise capital from supporters for an early stage crypto venture. Beware of these as there have been quite a few scams in the past.
John mcAfee:
A man who will one day eat his balls on live television for falsely predicting bitcoin going to 100k. He has also become a small meme within the crypto community for his outlandish claims.
JOMO:
Joy of missing out. For those who are so depressed about missing out their sadness becomes joy.
KYC:
Know your customer(alternatively consumer).
Lambo:
This stands for Lamborghini. A small meme within the investing community where the moment someone gets rich they spend their earnings on a lambo. One day we will all have lambos in crypto-valhalla.
Ledger:
Away from Blockchain, it is a book of financial transactions and balances. In the world of crypto, the blockchain functions as a ledger. A digital currency’s ledger records all transactions which took place on a certain block chain network.
Leverage:
Trading with borrowed capital (margin) in order to increase the potential return of an investment.
Liquidity:
The availability of an asset to be bought and sold easily, without affecting its market price.
of the coins.
Margin trading:
The trading of assets or securities bought with borrowed money.
Market cap/MCAP:
A short-term for Market Capitalization. Market Capitalization refers to the market value of a particular cryptocurrency. It is computed by multiplying the Price of an individual unit of coins by the total circulating supply.
Miner:
A computer participating in any cryptocurrency network performing proof of work. This is usually done to receive block rewards.
Mining:
The act of solving a complex math equation to validate a blockchain transaction using computer processing power and specialized hardware.
Mining contract:
A method of investing in bitcoin mining hardware, allowing anyone to rent out a pre-specified amount of hashing power, for an agreed amount of time. The mining service takes care of hardware maintenance, hosting and electricity costs, making it simpler for investors.
Mining rig:
A computer specially designed for mining cryptocurrencies.
Mooning:
A situation the price of a coin rapidly increases in value. Can also be used as: “I hope bitcoin goes to the moon”
Node:
Any computing device that connects to the blockchain network.
Open source:
The practice of sharing the source code for a piece of computer software, allowing it to be distributed and altered by anyone.
OTC:
Over the counter. Trading is done directly between parties.
P2P (Peer to Peer):
A type of network connection where participants interact directly with each other rather than through a centralized third party. The system allows the exchange of resources from A to B, without having to go through a separate server.
Paper wallet:
A form of “cold storage” where the private keys are printed onto a piece of paper and stored offline. Considered as one of the safest crypto wallets, the truth is that it majors in sweeping coins from your wallets.
Pre mining:
The mining of a cryptocurrency by its developers before it is released to the public.
Proof of stake (POS):
A consensus distribution algorithm which essentially rewards you based upon the amount of the coin that you own. In other words, more investment in the coin will leads to more gain when you mine with this protocol In Proof of Stake, the resource held by the “miner” is their stake in the currency.
PROOF OF WORK (POW) :
The competition of computers competing to solve a tough crypto math problem. The first computer that does this is allowed to create new blocks and record information.” The miner is then usually rewarded via transaction fees.
Protocol:
A standardized set of rules for formatting and processing data.
Public key / private key:
A cryptographic code that allows a user to receive cryptocurrencies into an account. The public key is made available to everyone via a publicly accessible directory, and the private key remains confidential to its respective owner. Because the key pair is mathematically related, whatever is encrypted with a public key may only be decrypted by its corresponding private key.
Pump and dump:
Massive buying and selling activity of cryptocurrencies (sometimes organized and to one’s benefit) which essentially result in a phenomenon where the significant surge in the value of coin followed by a huge crash take place in a short time frame.
Recovery phrase:
A set of phrases you are given whereby you can regain or access your wallet should you lose the private key to your wallets — paper, mobile, desktop, and hardware wallet. These phrases are some random 12–24 words. A recovery Phrase can also be called as Recovery seed, Seed Key, Recovery Key, or Seed Phrase.
REKT:
Referring to the word “wrecked”. It defines a situation whereby an investor or trader who has been ruined utterly following the massive losses suffered in crypto industry.
Ripple:
An alternative payment network to Bitcoin based on similar cryptography. The ripple network uses XRP as currency and is capable of sending any asset type.
ROI:
Return on investment.
Safu:
A crypto term for safe popularized by the Bizonnaci YouTube channel after the CEO of Binance tweeted
“Funds are safe."
“the exchage I use got hacked!”“Oh no, are your funds safu?”
“My coins better be safu!”


Sats/Satoshi:
The smallest fraction of a bitcoin is called a “satoshi” or “sat”. It represents one hundred-millionth of a bitcoin and is named after Satoshi Nakamoto.
Satoshi Nakamoto:
This was the pseudonym for the mysterious creator of Bitcoin.
Scalability:
The ability of a cryptocurrency to contain the massive use of its Blockchain.
Sharding:
A scaling solution for the Blockchain. It is generally a method that allows nodes to have partial copies of the complete blockchain in order to increase overall network performance and consensus speeds.
Shitcoin:
Coin with little potential or future prospects.
Shill:
Spreading buzz by heavily promoting a particular coin in the community to create awareness.
Short position:
Selling of a specific cryptocurrency with an expectation that it will drop in value.
Silk road:
The online marketplace where drugs and other illicit items were traded for Bitcoin. This marketplace is using accessed through “TOR”, and VPNs. In October 2013, a Silk Road was shut down in by the FBI.
Smart Contract:
Certain computational benchmarks or barriers that have to be met in turn for money or data to be deposited or even be used to verify things such as land rights.
Software Wallet:
A crypto wallet that exists purely as software files on a computer. Usually, software wallets can be generated for free from a variety of sources.
Solidity:
A contract-oriented coding language for implementing smart contracts on Ethereum. Its syntax is similar to that of JavaScript.
Stable coin:
A cryptocoin with an extremely low volatility that can be used to trade against the overall market.
Staking:
Staking is the process of actively participating in transaction validation (similar to mining) on a proof-of-stake (PoS) blockchain. On these blockchains, anyone with a minimum-required balance of a specific cryptocurrency can validate transactions and earn Staking rewards.
Surge:
When a crypto currency appreciates or goes up in price.
Tank:
The opposite of mooning. When a coin tanks it can also be described as crashing.
Tendies
For traders , the chief prize is “tendies” (chicken tenders, the treat an overgrown man-child receives for being a “Good Boy”) .
Token:
A unit of value that represents a digital asset built on a blockchain system. A token is usually considered as a “coin” of a cryptocurrency, but it really has a wider functionality.
TOR: “The Onion Router” is a free web browser designed to protect users’ anonymity and resist censorship. Tor is usually used surfing the web anonymously and access sites on the “Darkweb”.
Transaction fee:
An amount of money users are charged from their transaction when sending cryptocurrencies.
Volatility:
A measure of fluctuations in the price of a financial instrument over time. High volatility in bitcoin is seen as risky since its shifting value discourages people from spending or accepting it.
Wallet:
A file that stores all your private keys and communicates with the blockchain to perform transactions. It allows you to send and receive bitcoins securely as well as view your balance and transaction history.
Whale:
An investor that holds a tremendous amount of cryptocurrency. Their extraordinary large holdings allow them to control prices and manipulate the market.
Whitepaper:

A comprehensive report or guide made to understand an issue or help decision making. It is also seen as a technical write up that most cryptocurrencies provide to take a deep look into the structure and plan of the cryptocurrency/Blockchain project. Satoshi Nakamoto was the first to release a whitepaper on Bitcoin, titled “Bitcoin: A Peer-to-Peer Electronic Cash System” in late 2008.
And with that I finally complete my odyssey. I sincerely hope that this helped you and if you are new, I welcome you to crypto. If you read all of that I hope it increased, you in knowledge.
my final definition:
Crypto-Family:
A collection of all the HODLers and crypto fanatics. A place where all people alike unite over a love for crypto.
We are all in this together as we pioneer the new world that is crypto currency. I wish you a great day and Happy HODLing.
-u/flacciduck
feel free to comment words or terms that you feel should be included or about any errors I made.
Edit1:some fixes were made and added words.
submitted by flacciduck to CryptoCurrency [link] [comments]

Dragonchain Great Reddit Scaling Bake-Off Public Proposal

Dragonchain Great Reddit Scaling Bake-Off Public Proposal

Dragonchain Public Proposal TL;DR:

Dragonchain has demonstrated twice Reddit’s entire total daily volume (votes, comments, and posts per Reddit 2019 Year in Review) in a 24-hour demo on an operational network. Every single transaction on Dragonchain is decentralized immediately through 5 levels of Dragon Net, and then secured with combined proof on Bitcoin, Ethereum, Ethereum Classic, and Binance Chain, via Interchain. At the time, in January 2020, the entire cost of the demo was approximately $25K on a single system (transaction fees locked at $0.0001/txn). With current fees (lowest fee $0.0000025/txn), this would cost as little as $625.
Watch Joe walk through the entire proposal and answer questions on YouTube.
This proposal is also available on the Dragonchain blog.

Hello Reddit and Ethereum community!

I’m Joe Roets, Founder & CEO of Dragonchain. When the team and I first heard about The Great Reddit Scaling Bake-Off we were intrigued. We believe we have the solutions Reddit seeks for its community points system and we have them at scale.
For your consideration, we have submitted our proposal below. The team at Dragonchain and I welcome and look forward to your technical questions, philosophical feedback, and fair criticism, to build a scaling solution for Reddit that will empower its users. Because our architecture is unlike other blockchain platforms out there today, we expect to receive many questions while people try to grasp our project. I will answer all questions here in this thread on Reddit, and I've answered some questions in the stream on YouTube.
We have seen good discussions so far in the competition. We hope that Reddit’s scaling solution will emerge from The Great Reddit Scaling Bake-Off and that Reddit will have great success with the implementation.

Executive summary

Dragonchain is a robust open source hybrid blockchain platform that has proven to withstand the passing of time since our inception in 2014. We have continued to evolve to harness the scalability of private nodes, yet take full advantage of the security of public decentralized networks, like Ethereum. We have a live, operational, and fully functional Interchain network integrating Bitcoin, Ethereum, Ethereum Classic, and ~700 independent Dragonchain nodes. Every transaction is secured to Ethereum, Bitcoin, and Ethereum Classic. Transactions are immediately usable on chain, and the first decentralization is seen within 20 seconds on Dragon Net. Security increases further to public networks ETH, BTC, and ETC within 10 minutes to 2 hours. Smart contracts can be written in any executable language, offering full freedom to existing developers. We invite any developer to watch the demo, play with our SDK’s, review open source code, and to help us move forward. Dragonchain specializes in scalable loyalty & rewards solutions and has built a decentralized social network on chain, with very affordable transaction costs. This experience can be combined with the insights Reddit and the Ethereum community have gained in the past couple of months to roll out the solution at a rapid pace.

Response and PoC

In The Great Reddit Scaling Bake-Off post, Reddit has asked for a series of demonstrations, requirements, and other considerations. In this section, we will attempt to answer all of these requests.

Live Demo

A live proof of concept showing hundreds of thousands of transactions
On Jan 7, 2020, Dragonchain hosted a 24-hour live demonstration during which a quarter of a billion (250 million+) transactions executed fully on an operational network. Every single transaction on Dragonchain is decentralized immediately through 5 levels of Dragon Net, and then secured with combined proof on Bitcoin, Ethereum, Ethereum Classic, and Binance Chain, via Interchain. This means that every single transaction is secured by, and traceable to these networks. An attack on this system would require a simultaneous attack on all of the Interchained networks.
24 hours in 4 minutes (YouTube):
24 hours in 4 minutes
The demonstration was of a single business system, and any user is able to scale this further, by running multiple systems simultaneously. Our goals for the event were to demonstrate a consistent capacity greater than that of Visa over an extended time period.
Tooling to reproduce our demo is available here:
https://github.com/dragonchain/spirit-bomb

Source Code

Source code (for on & off-chain components as well tooling used for the PoC). The source code does not have to be shared publicly, but if Reddit decides to use a particular solution it will need to be shared with Reddit at some point.

Scaling

How it works & scales

Architectural Scaling

Dragonchain’s architecture attacks the scalability issue from multiple angles. Dragonchain is a hybrid blockchain platform, wherein every transaction is protected on a business node to the requirements of that business or purpose. A business node may be held completely private or may be exposed or replicated to any level of exposure desired.
Every node has its own blockchain and is independently scalable. Dragonchain established Context Based Verification as its consensus model. Every transaction is immediately usable on a trust basis, and in time is provable to an increasing level of decentralized consensus. A transaction will have a level of decentralization to independently owned and deployed Dragonchain nodes (~700 nodes) within seconds, and full decentralization to BTC and ETH within minutes or hours. Level 5 nodes (Interchain nodes) function to secure all transactions to public or otherwise external chains such as Bitcoin and Ethereum. These nodes scale the system by aggregating multiple blocks into a single Interchain transaction on a cadence. This timing is configurable based upon average fees for each respective chain. For detailed information about Dragonchain’s architecture, and Context Based Verification, please refer to the Dragonchain Architecture Document.

Economic Scaling

An interesting feature of Dragonchain’s network consensus is its economics and scarcity model. Since Dragon Net nodes (L2-L4) are independent staking nodes, deployment to cloud platforms would allow any of these nodes to scale to take on a large percentage of the verification work. This is great for scalability, but not good for the economy, because there is no scarcity, and pricing would develop a downward spiral and result in fewer verification nodes. For this reason, Dragonchain uses TIME as scarcity.
TIME is calculated as the number of Dragons held, multiplied by the number of days held. TIME influences the user’s access to features within the Dragonchain ecosystem. It takes into account both the Dragon balance and length of time each Dragon is held. TIME is staked by users against every verification node and dictates how much of the transaction fees are awarded to each participating node for every block.
TIME also dictates the transaction fee itself for the business node. TIME is staked against a business node to set a deterministic transaction fee level (see transaction fee table below in Cost section). This is very interesting in a discussion about scaling because it guarantees independence for business implementation. No matter how much traffic appears on the entire network, a business is guaranteed to not see an increased transaction fee rate.

Scaled Deployment

Dragonchain uses Docker and Kubernetes to allow the use of best practices traditional system scaling. Dragonchain offers managed nodes with an easy to use web based console interface. The user may also deploy a Dragonchain node within their own datacenter or favorite cloud platform. Users have deployed Dragonchain nodes on-prem on Amazon AWS, Google Cloud, MS Azure, and other hosting platforms around the world. Any executable code, anything you can write, can be written into a smart contract. This flexibility is what allows us to say that developers with no blockchain experience can use any code language to access the benefits of blockchain. Customers have used NodeJS, Python, Java, and even BASH shell script to write smart contracts on Dragonchain.
With Docker containers, we achieve better separation of concerns, faster deployment, higher reliability, and lower response times.
We chose Kubernetes for its self-healing features, ability to run multiple services on one server, and its large and thriving development community. It is resilient, scalable, and automated. OpenFaaS allows us to package smart contracts as Docker images for easy deployment.
Contract deployment time is now bounded only by the size of the Docker image being deployed but remains fast even for reasonably large images. We also take advantage of Docker’s flexibility and its ability to support any language that can run on x86 architecture. Any image, public or private, can be run as a smart contract using Dragonchain.

Flexibility in Scaling

Dragonchain’s architecture considers interoperability and integration as key features. From inception, we had a goal to increase adoption via integration with real business use cases and traditional systems.
We envision the ability for Reddit, in the future, to be able to integrate alternate content storage platforms or other financial services along with the token.
  • LBRY - To allow users to deploy content natively to LBRY
  • MakerDAO to allow users to lend small amounts backed by their Reddit community points.
  • STORJ/SIA to allow decentralized on chain storage of portions of content. These integrations or any other are relatively easy to integrate on Dragonchain with an Interchain implementation.

Cost

Cost estimates (on-chain and off-chain) For the purpose of this proposal, we assume that all transactions are on chain (posts, replies, and votes).
On the Dragonchain network, transaction costs are deterministic/predictable. By staking TIME on the business node (as described above) Reddit can reduce transaction costs to as low as $0.0000025 per transaction.
Dragonchain Fees Table

Getting Started

How to run it
Building on Dragonchain is simple and requires no blockchain experience. Spin up a business node (L1) in our managed environment (AWS), run it in your own cloud environment, or on-prem in your own datacenter. Clear documentation will walk you through the steps of spinning up your first Dragonchain Level 1 Business node.
Getting started is easy...
  1. Download Dragonchain’s dctl
  2. Input three commands into a terminal
  3. Build an image
  4. Run it
More information can be found in our Get started documents.

Architecture
Dragonchain is an open source hybrid platform. Through Dragon Net, each chain combines the power of a public blockchain (like Ethereum) with the privacy of a private blockchain.
Dragonchain organizes its network into five separate levels. A Level 1, or business node, is a totally private blockchain only accessible through the use of public/private keypairs. All business logic, including smart contracts, can be executed on this node directly and added to the chain.
After creating a block, the Level 1 business node broadcasts a version stripped of sensitive private data to Dragon Net. Three Level 2 Validating nodes validate the transaction based on guidelines determined from the business. A Level 3 Diversity node checks that the level 2 nodes are from a diverse array of locations. A Level 4 Notary node, hosted by a KYC partner, then signs the validation record received from the Level 3 node. The transaction hash is ledgered to the Level 5 public chain to take advantage of the hash power of massive public networks.
Dragon Net can be thought of as a “blockchain of blockchains”, where every level is a complete private blockchain. Because an L1 can send to multiple nodes on a single level, proof of existence is distributed among many places in the network. Eventually, proof of existence reaches level 5 and is published on a public network.

API Documentation

APIs (on chain & off)

SDK Source

Nobody’s Perfect

Known issues or tradeoffs
  • Dragonchain is open source and even though the platform is easy enough for developers to code in any language they are comfortable with, we do not have so large a developer community as Ethereum. We would like to see the Ethereum developer community (and any other communities) become familiar with our SDK’s, our solutions, and our platform, to unlock the full potential of our Ethereum Interchain. Long ago we decided to prioritize both Bitcoin and Ethereum Interchains. We envision an ecosystem that encompasses different projects to give developers the ability to take full advantage of all the opportunities blockchain offers to create decentralized solutions not only for Reddit but for all of our current platforms and systems. We believe that together we will take the adoption of blockchain further. We currently have additional Interchain with Ethereum Classic. We look forward to Interchain with other blockchains in the future. We invite all blockchains projects who believe in decentralization and security to Interchain with Dragonchain.
  • While we only have 700 nodes compared to 8,000 Ethereum and 10,000 Bitcoin nodes. We harness those 18,000 nodes to scale to extremely high levels of security. See Dragonchain metrics.
  • Some may consider the centralization of Dragonchain’s business nodes as an issue at first glance, however, the model is by design to protect business data. We do not consider this a drawback as these nodes can make any, none, or all data public. Depending upon the implementation, every subreddit could have control of its own business node, for potential business and enterprise offerings, bringing new alternative revenue streams to Reddit.

Costs and resources

Summary of cost & resource information for both on-chain & off-chain components used in the PoC, as well as cost & resource estimates for further scaling. If your PoC is not on mainnet, make note of any mainnet caveats (such as congestion issues).
Every transaction on the PoC system had a transaction fee of $0.0001 (one-hundredth of a cent USD). At 256MM transactions, the demo cost $25,600. With current operational fees, the same demonstration would cost $640 USD.
For the demonstration, to achieve throughput to mimic a worldwide payments network, we modeled several clients in AWS and 4-5 business nodes to handle the traffic. The business nodes were tuned to handle higher throughput by adjusting memory and machine footprint on AWS. This flexibility is valuable to implementing a system such as envisioned by Reddit. Given that Reddit’s daily traffic (posts, replies, and votes) is less than half that of our demo, we would expect that the entire Reddit system could be handled on 2-5 business nodes using right-sized containers on AWS or similar environments.
Verification was accomplished on the operational Dragon Net network with over 700 independently owned verification nodes running around the world at no cost to the business other than paid transaction fees.

Requirements

Scaling

This PoC should scale to the numbers below with minimal costs (both on & off-chain). There should also be a clear path to supporting hundreds of millions of users.
Over a 5 day period, your scaling PoC should be able to handle:
*100,000 point claims (minting & distributing points) *25,000 subscriptions *75,000 one-off points burning *100,000 transfers
During Dragonchain’s 24 hour demo, the above required numbers were reached within the first few minutes.
Reddit’s total activity is 9000% more than Ethereum’s total transaction level. Even if you do not include votes, it is still 700% more than Ethereum’s current volume. Dragonchain has demonstrated that it can handle 250 million transactions a day, and it’s architecture allows for multiple systems to work at that level simultaneously. In our PoC, we demonstrate double the full capacity of Reddit, and every transaction was proven all the way to Bitcoin and Ethereum.
Reddit Scaling on Ethereum

Decentralization

Solutions should not depend on any single third-party provider. We prefer solutions that do not depend on specific entities such as Reddit or another provider, and solutions with no single point of control or failure in off-chain components but recognize there are numerous trade-offs to consider
Dragonchain’s architecture calls for a hybrid approach. Private business nodes hold the sensitive data while the validation and verification of transactions for the business are decentralized within seconds and secured to public blockchains within 10 minutes to 2 hours. Nodes could potentially be controlled by owners of individual subreddits for more organic decentralization.
  • Billing is currently centralized - there is a path to federation and decentralization of a scaled billing solution.
  • Operational multi-cloud
  • Operational on-premises capabilities
  • Operational deployment to any datacenter
  • Over 700 independent Community Verification Nodes with proof of ownership
  • Operational Interchain (Interoperable to Bitcoin, Ethereum, and Ethereum Classic, open to more)

Usability Scaling solutions should have a simple end user experience.

Users shouldn't have to maintain any extra state/proofs, regularly monitor activity, keep track of extra keys, or sign anything other than their normal transactions
Dragonchain and its customers have demonstrated extraordinary usability as a feature in many applications, where users do not need to know that the system is backed by a live blockchain. Lyceum is one of these examples, where the progress of academy courses is being tracked, and successful completion of courses is rewarded with certificates on chain. Our @Save_The_Tweet bot is popular on Twitter. When used with one of the following hashtags - #please, #blockchain, #ThankYou, or #eternalize the tweet is saved through Eternal to multiple blockchains. A proof report is available for future reference. Other examples in use are DEN, our decentralized social media platform, and our console, where users can track their node rewards, view their TIME, and operate a business node.
Examples:

Transactions complete in a reasonable amount of time (seconds or minutes, not hours or days)
All transactions are immediately usable on chain by the system. A transaction begins the path to decentralization at the conclusion of a 5-second block when it gets distributed across 5 separate community run nodes. Full decentralization occurs within 10 minutes to 2 hours depending on which interchain (Bitcoin, Ethereum, or Ethereum Classic) the transaction hits first. Within approximately 2 hours, the combined hash power of all interchained blockchains secures the transaction.

Free to use for end users (no gas fees, or fixed/minimal fees that Reddit can pay on their behalf)
With transaction pricing as low as $0.0000025 per transaction, it may be considered reasonable for Reddit to cover transaction fees for users.
All of Reddit's Transactions on Blockchain (month)
Community points can be earned by users and distributed directly to their Reddit account in batch (as per Reddit minting plan), and allow users to withdraw rewards to their Ethereum wallet whenever they wish. Withdrawal fees can be paid by either user or Reddit. This model has been operating inside the Dragonchain system since 2018, and many security and financial compliance features can be optionally added. We feel that this capability greatly enhances user experience because it is seamless to a regular user without cryptocurrency experience, yet flexible to a tech savvy user. With regard to currency or token transactions, these would occur on the Reddit network, verified to BTC and ETH. These transactions would incur the $0.0000025 transaction fee. To estimate this fee we use the monthly active Reddit users statista with a 60% adoption rate and an estimated 10 transactions per month average resulting in an approximate $720 cost across the system. Reddit could feasibly incur all associated internal network charges (mining/minting, transfer, burn) as these are very low and controllable fees.
Reddit Internal Token Transaction Fees

Reddit Ethereum Token Transaction Fees
When we consider further the Ethereum fees that might be incurred, we have a few choices for a solution.
  1. Offload all Ethereum transaction fees (user withdrawals) to interested users as they wish to withdraw tokens for external use or sale.
  2. Cover Ethereum transaction fees by aggregating them on a timed schedule. Users would request withdrawal (from Reddit or individual subreddits), and they would be transacted on the Ethereum network every hour (or some other schedule).
  3. In a combination of the above, customers could cover aggregated fees.
  4. Integrate with alternate Ethereum roll up solutions or other proposals to aggregate minting and distribution transactions onto Ethereum.

Bonus Points

Users should be able to view their balances & transactions via a blockchain explorer-style interface
From interfaces for users who have no knowledge of blockchain technology to users who are well versed in blockchain terms such as those present in a typical block explorer, a system powered by Dragonchain has flexibility on how to provide balances and transaction data to users. Transactions can be made viewable in an Eternal Proof Report, which displays raw data along with TIME staking information and traceability all the way to Bitcoin, Ethereum, and every other Interchained network. The report shows fields such as transaction ID, timestamp, block ID, multiple verifications, and Interchain proof. See example here.
Node payouts within the Dragonchain console are listed in chronological order and can be further seen in either Dragons or USD. See example here.
In our social media platform, Dragon Den, users can see, in real-time, their NRG and MTR balances. See example here.
A new influencer app powered by Dragonchain, Raiinmaker, breaks down data into a user friendly interface that shows coin portfolio, redeemed rewards, and social scores per campaign. See example here.

Exiting is fast & simple
Withdrawing funds on Dragonchain’s console requires three clicks, however, withdrawal scenarios with more enhanced security features per Reddit’s discretion are obtainable.

Interoperability Compatibility with third party apps (wallets/contracts/etc) is necessary.
Proven interoperability at scale that surpasses the required specifications. Our entire platform consists of interoperable blockchains connected to each other and traditional systems. APIs are well documented. Third party permissions are possible with a simple smart contract without the end user being aware. No need to learn any specialized proprietary language. Any code base (not subsets) is usable within a Docker container. Interoperable with any blockchain or traditional APIs. We’ve witnessed relatively complex systems built by engineers with no blockchain or cryptocurrency experience. We’ve also demonstrated the creation of smart contracts within minutes built with BASH shell and Node.js. Please see our source code and API documentation.

Scaling solutions should be extensible and allow third parties to build on top of it Open source and extensible
APIs should be well documented and stable

Documentation should be clear and complete
For full documentation, explore our docs, SDK’s, Github repo’s, architecture documents, original Disney documentation, and other links or resources provided in this proposal.

Third-party permissionless integrations should be possible & straightforward Smart contracts are Docker based, can be written in any language, use full language (not subsets), and can therefore be integrated with any system including traditional system APIs. Simple is better. Learning an uncommon or proprietary language should not be necessary.
Advanced knowledge of mathematics, cryptography, or L2 scaling should not be required. Compatibility with common utilities & toolchains is expected.
Dragonchain business nodes and smart contracts leverage Docker to allow the use of literally any language or executable code. No proprietary language is necessary. We’ve witnessed relatively complex systems built by engineers with no blockchain or cryptocurrency experience. We’ve also demonstrated the creation of smart contracts within minutes built with BASH shell and Node.js.

Bonus

Bonus Points: Show us how it works. Do you have an idea for a cool new use case for Community Points? Build it!

TIME

Community points could be awarded to Reddit users based upon TIME too, whereas the longer someone is part of a subreddit, the more community points someone naturally gained, even if not actively commenting or sharing new posts. A daily login could be required for these community points to be credited. This grants awards to readers too and incentivizes readers to create an account on Reddit if they browse the website often. This concept could also be leveraged to provide some level of reputation based upon duration and consistency of contribution to a community subreddit.

Dragon Den

Dragonchain has already built a social media platform that harnesses community involvement. Dragon Den is a decentralized community built on the Dragonchain blockchain platform. Dragon Den is Dragonchain’s answer to fake news, trolling, and censorship. It incentivizes the creation and evaluation of quality content within communities. It could be described as being a shareholder of a subreddit or Reddit in its entirety. The more your subreddit is thriving, the more rewarding it will be. Den is currently in a public beta and in active development, though the real token economy is not live yet. There are different tokens for various purposes. Two tokens are Lair Ownership Rights (LOR) and Lair Ownership Tokens (LOT). LOT is a non-fungible token for ownership of a specific Lair. LOT will only be created and converted from LOR.
Energy (NRG) and Matter (MTR) work jointly. Your MTR determines how much NRG you receive in a 24-hour period. Providing quality content, or evaluating content will earn MTR.

Security. Users have full ownership & control of their points.
All community points awarded based upon any type of activity or gift, are secured and provable to all Interchain networks (currently BTC, ETH, ETC). Users are free to spend and withdraw their points as they please, depending on the features Reddit wants to bring into production.

Balances and transactions cannot be forged, manipulated, or blocked by Reddit or anyone else
Users can withdraw their balance to their ERC20 wallet, directly through Reddit. Reddit can cover the fees on their behalf, or the user covers this with a portion of their balance.

Users should own their points and be able to get on-chain ERC20 tokens without permission from anyone else
Through our console users can withdraw their ERC20 rewards. This can be achieved on Reddit too. Here is a walkthrough of our console, though this does not show the quick withdrawal functionality, a user can withdraw at any time. https://www.youtube.com/watch?v=aNlTMxnfVHw

Points should be recoverable to on-chain ERC20 tokens even if all third-parties involved go offline
If necessary, signed transactions from the Reddit system (e.g. Reddit + Subreddit) can be sent to the Ethereum smart contract for minting.

A public, third-party review attesting to the soundness of the design should be available
To our knowledge, at least two large corporations, including a top 3 accounting firm, have conducted positive reviews. These reviews have never been made public, as Dragonchain did not pay or contract for these studies to be released.

Bonus points
Public, third-party implementation review available or in progress
See above

Compatibility with HSMs & hardware wallets
For the purpose of this proposal, all tokenization would be on the Ethereum network using standard token contracts and as such, would be able to leverage all hardware wallet and Ethereum ecosystem services.

Other Considerations

Minting/distributing tokens is not performed by Reddit directly
This operation can be automated by smart contract on Ethereum. Subreddits can if desired have a role to play.

One off point burning, as well as recurring, non-interactive point burning (for subreddit memberships) should be possible and scalable
This is possible and scalable with interaction between Dragonchain Reddit system and Ethereum token contract(s).

Fully open-source solutions are strongly preferred
Dragonchain is fully open source (see section on Disney release after conclusion).

Conclusion

Whether it is today, or in the future, we would like to work together to bring secure flexibility to the highest standards. It is our hope to be considered by Ethereum, Reddit, and other integrative solutions so we may further discuss the possibilities of implementation. In our public demonstration, 256 million transactions were handled in our operational network on chain in 24 hours, for the low cost of $25K, which if run today would cost $625. Dragonchain’s interoperable foundation provides the atmosphere necessary to implement a frictionless community points system. Thank you for your consideration of our proposal. We look forward to working with the community to make something great!

Disney Releases Blockchain Platform as Open Source

The team at Disney created the Disney Private Blockchain Platform. The system was a hybrid interoperable blockchain platform for ledgering and smart contract development geared toward solving problems with blockchain adoption and usability. All objective evaluation would consider the team’s output a success. We released a list of use cases that we explored in some capacity at Disney, and our input on blockchain standardization as part of our participation in the W3C Blockchain Community Group.
https://lists.w3.org/Archives/Public/public-blockchain/2016May/0052.html

Open Source

In 2016, Roets proposed to release the platform as open source to spread the technology outside of Disney, as others within the W3C group were interested in the solutions that had been created inside of Disney.
Following a long process, step by step, the team met requirements for release. Among the requirements, the team had to:
  • Obtain VP support and approval for the release
  • Verify ownership of the software to be released
  • Verify that no proprietary content would be released
  • Convince the organization that there was a value to the open source community
  • Convince the organization that there was a value to Disney
  • Offer the plan for ongoing maintenance of the project outside of Disney
  • Itemize competing projects
  • Verify no conflict of interest
  • Preferred license
  • Change the project name to not use the name Disney, any Disney character, or any other associated IP - proposed Dragonchain - approved
  • Obtain legal approval
  • Approval from corporate, parks, and other business units
  • Approval from multiple Disney patent groups Copyright holder defined by Disney (Disney Connected and Advanced Technologies)
  • Trademark searches conducted for the selected name Dragonchain
  • Obtain IT security approval
  • Manual review of OSS components conducted
  • OWASP Dependency and Vulnerability Check Conducted
  • Obtain technical (software) approval
  • Offer management, process, and financial plans for the maintenance of the project.
  • Meet list of items to be addressed before release
  • Remove all Disney project references and scripts
  • Create a public distribution list for email communications
  • Remove Roets’ direct and internal contact information
  • Create public Slack channel and move from Disney slack channels
  • Create proper labels for issue tracking
  • Rename internal private Github repository
  • Add informative description to Github page
  • Expand README.md with more specific information
  • Add information beyond current “Blockchains are Magic”
  • Add getting started sections and info on cloning/forking the project
  • Add installation details
  • Add uninstall process
  • Add unit, functional, and integration test information
  • Detail how to contribute and get involved
  • Describe the git workflow that the project will use
  • Move to public, non-Disney git repository (Github or Bitbucket)
  • Obtain Disney Open Source Committee approval for release
On top of meeting the above criteria, as part of the process, the maintainer of the project had to receive the codebase on their own personal email and create accounts for maintenance (e.g. Github) with non-Disney accounts. Given the fact that the project spanned multiple business units, Roets was individually responsible for its ongoing maintenance. Because of this, he proposed in the open source application to create a non-profit organization to hold the IP and maintain the project. This was approved by Disney.
The Disney Open Source Committee approved the application known as OSSRELEASE-10, and the code was released on October 2, 2016. Disney decided to not issue a press release.
Original OSSRELASE-10 document

Dragonchain Foundation

The Dragonchain Foundation was created on January 17, 2017. https://den.social/l/Dragonchain/24130078352e485d96d2125082151cf0/dragonchain-and-disney/
submitted by j0j0r0 to ethereum [link] [comments]

Some Basics Of Bitcoin

For someone not familiar with Bitcoin, the first question that comes to mind is, "What is Bitcoin?" And another common question that is often asked relates to the Bitcoin price. It started out a under 10 cents per Bitcoin upon its introduction in early 2009. It has risen steadily since and has hovered around $4000 per Bitcoin recently. So regarding Bitcoin value or the Bitcoin rate this is a most remarkable appreciation of value and has created many, many millionaires over the last eight years.
The Bitcoin market is worldwide and the citizens of China and Japan have been particularly active in its purchase along with other Asian countries. However, recently in Bitcoin news the Chinese government has tried to suppress its activity in that country. That action drove the value of Bitcoin down for a short time but it soon surged back and is now close to its previous value.
The Bitcoin history chart is very interesting. Its creator was an anonymous group of brilliant mathematicians (using the pseudonym Satoski Nakamoto) who designed it in 2008 to be "virtual gold" and released the first Bitcoin software in early 2009 during the height of the USA economic crisis. They knew that to have lasting value, it like gold had to have a finite supply. So in creating it they capped the supply at 21 million Bitcoin.
Bitcoin mining refers to the process by which new Bitcoin is created. With conventional currency, government decides when and where to print and distribute it. With Bitcoin, "miners" use special software to solve complex mathematical problems and are issued a certain number of Bitcoin in return.
A question that then arises is, is Bitcoin mining worth it. The answer is NO for the average person. It takes very sophisticated knowledge and a powerful computer system and this combination of factors makes it unattainable for the masses. This applies even more to bitcoin mining 2017 than in past years.
Many wonder, who accepts Bitcoin? This question gets asked in various ways, what are stores that accept bitcoin, what are websites that accept bitcoins, what are some retailers that accept bitcoin, what are some places that accept bitcoin and where can I spend bitcoin.
More and more companies are beginning to see the value of accepting cryptocurrencies as a valid payment option. Some major companies that do are DISH network, Microsoft, Expedia, Shopify stores, Newegg, Payza, 2Pay4You, and others.Two major holdouts at this time are Walmart and Amazon.
Ethereum is the strongest rival to Bitcoin in the cryptocurrency market and many wonder at the question of Bitcoin vs Ethereum. Ethereum was created in mid-2015 and has gained some popularity but still ranks far behind Bitcoin in usage, acceptance and value.
A question that often comes up often relates to Bitcoin scam. This author has a friend who made a purchase from a company that promised 1-2% growth per day. The company website listed no contact information and after a couple months the website simply vanished one day and my friend lost all the money he had invested which was several thousand dollars.
One has to know how to buy Bitcoins, how to purchase Bitcoin or how to buy Bitcoin with credit card in order to get started. Coinbase is a very popular site to do this. Their fee is 3.75% and the buying limit is $10,000 per day. This would probably be the easiest way to buy bitcoins.
Others would like to buy Bitcoin with debit card. Coinbase also provides this service and has clear step by step instructions on how to proceed with either your debit or credit card.
There are those who would like to buy Bitcoin instantly. This can be done at Paxful, Inc. and can be done through W. Union or any credit/debit card.
Other common questions that come up are what is the best way to buy Bitcoins, the best way to get bitcoins or where to buy bitcoins online. The easiest way is probably to purchase it through a digital asset exchange like the previously mentioned Coinbase. Opening an account with them is painless and once you link your bank account with them you can buy and sell Bitcoin quite easily. This is quite likely also the best place to buy Bitcoins.
One must know what a Bitcoin wallet is and how to use it. It is simply the Bitcoin equivalent of a bank account. It allows you to receive Bitcoins, store them and send them to others. What it does is store a collection of Bitcoin privacy keys. Typically it is encrypted with a password or otherwise protected from unauthorized access.
There are several types of digital wallets to choose from. A web wallet allows you to send, receive and store Bitcoin though your web browser. Another type is a desktop wallet and here the wallet software is stored directly on your computer. There are also mobile wallets which are designed for use by a mobile device.
A question that occasionally comes up is that of Bitcoin stock or how to buy Bitcoin stock. By far the most common way to proceed in this area is to buy Bitcoin directly and not its stock.
There is one entity called Bitcoin Investment trust which is an investment fund that is designed to track the market flow of Bitcoin. Some analysts however are calling this a risky way to become involved in this marketplace.
The Bitcoin exchange rate USD is a closely watched benchmark both on a daily basis and long term over the last 8 years since its introduction to the world's financial marketplace. A popular company to receive the most current rate in Bitcoin valuation is XE. They show Bitcoin to USD valuation and also the complete Bitcoin price chart, the Bitcoin value chart and the Bitcoin to USD chart. If you ask, "How much is one Bitcoin?" you will always know from their continuously updated charts.
Similar questions that come up in this area relate to the bitcoin rate history, the bitcoin price chart live, the bitcoin to dollar exchange rate, the bitcoin dollar chart and the bitcoin 5 year chart. The previously mentioned website, xe, is also a good source for answers to these questions.
Regarding Bitcoin cash, ie. to get USD from selling Bitcoin, Bitwol is one company that enables you to do this. WikiHow is another company that will take you through this process.
submitted by shomesrobery to BestBitcoinCasinosa [link] [comments]

Mega eTextbooks release thread (part-28)! Find your textbooks here between $5-$25 :)

Please find the list below:
  1. Disease Gene Identification: Methods and Protocols, 2nd Edition: Johanna K. DiStefano
  2. Statistical Aspects of the Microbiological Examination of Foods, 3rd Edition: Basil Jarvis
  3. Revel for Social Problems, 14th Edition: Stanley Eitzen & Maxine Baca Zinn & Kelly Ei Smith
  4. Fundamentals of Human Resource Management: Pearson New International Edition, 3rd Edition: Gary Dessler
  5. Economics Today: The Micro View, 18th Edition: Roger LeRoy Miller
  6. Employment Law for Business, 8th Edition: Dawn Bennett-Alexander & Laura Hartman
  7. Surgical Exposures in Orthopaedics: The Anatomic Approach, 5th Edition: Stanley Hoppenfeld & Piet de Boer & Richard Buckley
  8. Project Management in Construction, 7th Edition: Sidney Levy
  9. Financial and Managerial Accounting, 7th Edition: John Wild & Ken Shaw & Barbara Chiappetta
  10. Handbook of Plant Disease Identification and Management, 1st Edition: Balaji Aglave
  11. Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04, 13th Edition: Matthew Helmke
  12. Handbook of Insulin Therapies, 1st Edition: Winston Crasto & Janet Jarvis & Melanie J. Davies
  13. Python for Programmers: with Big Data and Artificial Intelligence Case Studies, 1st Edition: Paul J. Deitel & Harvey Deitel
  14. Medical Ethics: Accounts of Ground-Breaking Cases, 7th Edition: Gregory Pence
  15. Human Resource Management, 13th Edition: Gary Dessler
  16. The Biology and Therapeutic Application of Mesenchymal Cells, 2 Volume Set, 1st Edition: Kerry Atkinson
  17. Computer Security Fundamentals, 3rd Edition: William Chuck Easttom
  18. Hendee's Radiation Therapy Physics, 4th Edition: Todd Pawlicki & Daniel J. Scanderbeg & George Starkschall
  19. Nutrient Delivery, 1st Edition: Alexandru Grumezescu
  20. Technology Entrepreneurship: Taking Innovation to the Marketplace, 2nd Edition: Thomas N. Duening & Robert A. Hisrich & Michael A. Lechter
  21. Chemistry of Metalloproteins: Problems and Solutions in Bioinorganic Chemistry, 1st Edition: Joseph J. Stephanos & Anthony W. Addison
  22. Mathematical Statistics with Applications in R, 2nd Edition: Kandethody M. Ramachandran & Chris P. Tsokos
  23. Diagnostic Imaging: Genitourinary, 3rd Edition: Mitchell E. Tublin
  24. Comprehensive Management of Arteriovenous Malformations of the Brain and Spine, 1st Edition: Robert F. Spetzler & Douglas S. Kondziolka & Randall T. Higashida & M. Yashar S. Kalani
  25. Digital Design: With an Introduction to the Verilog HDL, 5th Edition: M. Morris R. Mano & Michael D. Ciletti
  26. Plasmids: Biology and Impact in Biotechnology and Discovery, 1st Edition: Marcelo E. Tolmasky & Juan C. Alonso
  27. Consumer Behavior: Buying, Having, and Being, Global Edition, 12th Edition: Michael R. Solomon
  28. Project Management Case Studies, 5th Edition: Harold Kerzner
  29. Medical Phisiology: Principles for Clinical Medicine, 4th Edition: Rodney A. Rhoades & David R. Bell
  30. Essentials of Contemporary Management, 7th Edition: Gareth Jones & Jennifer George
  31. Harmony and Voice Leading, 4th Edition: Thomas E. Benjamin & Michael Horvit & Robert S. Nelson
  32. Principles of Economics, 2nd Edition: Lee Coppock & Dirk Mateer
  33. Oral Microbiology and Immunology, 2nd Edition: Richard J. Lamont & George N. Hajishengallis & Howard F. Jenkinson
  34. Magnetic Resonance Imaging of the Brain and Spine, 5th Edition: Scott W. Atlas
  35. Accounting Information Systems: Controls and Processes, 3rd Edition: Leslie Turner & Andrea B. Weickgenannt & Mary Kay Copeland
  36. Strategic Corporate Social Responsibility: Sustainable Value Creation, 5th Edition: David Chandler
  37. Julien's Primer of Drug Action: A Comprehensive Guide to the Actions, Uses, and Side Effects of Psychoactive Drugs, 14th Edition: Claire D. Advokat & Joseph Comaty & Robert Julien
  38. The Grand Chessboard: American Primacy And Its Geostrategic Imperatives, 1st Edition: Zbigniew Brzezinski
  39. The Cosmic Perspective: The Solar System, 8th Edition: Jeffrey O. Bennett & Megan O. Donahue & Nicholas Schneider & Mark Voit
  40. Ultrastructure Atlas of Human Tissues, 1st Edition: Fred Hossler
  41. Advances in the Biology and Management of Modern Bed Bugs, 1st Edition: Stephen L. Doggett & Dini M. Miller & Chow-Yang Lee
  42. Patterns of World History: Volume One: To 1600, 1st Edition: Peter von Sivers & Charles A. Desnoyers & George B. Stow
  43. Genitourinary Imaging: A Core Review, 1st Edition: Matthew Davenport
  44. Evidence-based Obstetrics and Gynecology, 1st Edition: Errol R. Norwitz & Carolyn M. Zelop & David A. Miller & David L. Keefe
  45. Zoology, 10th Edition: Stephen Miller & John Harley
  46. Radical and Reconstructive Gynecologic Cancer Surgery, 1st Edition: Robert Bristow & Dennis Chi
  47. Davis's Diseases & Disorders A Nursing Therapeutics Manual, 6th Edition: Marilyn Sawyer Sommers
  48. Management & Cost Accounting, 6th Edition: Alnoor Bhimani
  49. Elements of Modern Algebra, 8th Edition: Linda Gilbert
  50. Psychiatric & Mental Health Nursing, 4th Edition: Katie Evans & Debra Nizette & Anthony O'Brien
  51. Molecular Biology: Different Facets, 1st Edition: Anjali Priyadarshini & Prerna Pandey
  52. Elementary Number Theory, 7th Edition: David Burton
  53. Accounting Information Systems, 14th Edition: Marshall B. Romney & Paul J. Steinbart
  54. Microeconomics, Global Edition, 9th Edition: Robert Pindyck & Daniel Rubinfeld
  55. Psychiatric and Mental Health Nursing Demystified, 1st Edition: Jim Keogh
  56. Entrepreneurship, 10th Edition: Robert Hisrich & Michael Peters & Dean Shepherd
  57. Ganong's Review of Medical Physiology, 26th Edition: Kim E. Barrett & Susan M. Barman & Jason Yuan & Heddwen L. Brooks
  58. Textbook of Obstetrics and Gynaecology: A life course approach, 1st Edition: Eric A.P. Steegers & Bart C.J.M. Fauser & Carina G.J.M. Hilders
  59. Engineering Mechanics: Statics, 8th Edition: James L. Meriam & L. G. Kraige & J. N. Bolton
  60. Basic Concepts of Psychiatric-Mental Health Nursing, 8th Edition: Louise Rebraca Shives
  61. Beckmann and Ling's Obstetrics and Gynecology, 8th Edition: Robert Casanova
  62. Biology: Concepts and Applications, 10th Edition: Cecie Starr & Christine Evers & Lisa Starr
  63. Estimating in Building Construction, 9th Edition: Steven J. Peterson & Frank R. Dagostino
  64. The Big Back Book: Tips & Tricks for Therapists, 1st Edition: Jane Johnson
  65. University Physics with Modern Physics, 14th Edition: Hugh D. Young & Roger A. Freedman
  66. Poisoning and Drug Overdose, 7th Edition: Kent Olson & Ilene Anderson & Neal Benowitz & Paul Blanc
  67. Koneman's Color Atlas and Textbook of Diagnostic Microbiology, 7th Edition: Gary W. Procop
  68. Experimental Psychology, 7th Edition: Anne Myers & Christine H. Hansen
  69. Marketing: An Introduction, 13th Edition: Gary Armstrong & Philip Kotler
  70. Gray's Anatomy for Students: With Student Consult, 3rd Edition: Richard Drake & A. Wayne Vogl & Adam W. M. Mitchell
  71. Chestnut's Obstetric Anesthesia: Principles and Practice, 5th Edition: David H. Chestnut & Cynthia A Wong & Lawrence C Tsen & Warwick D Ngan Kee & Yaakov Beilin & Jill Mhyre
  72. Chemistry: The Molecular Science, 5th Edition: John W. Moore & Conrad L. Stanitski
  73. Head, Neck and Dental Emergencies, 2nd Edition: Mike Perry
  74. Wong's Nursing Care of Infants and Children, 10th Edition: Marilyn J. Hockenberry & David Wilson
  75. Sports Emergency Care: A Team Approach, 3rd Edition: Robb Rehberg & Jeff G. Konin
  76. New Venture Creation: Entrepreneurship for the 21st Century, 10th Edition: Stephen Spinelli & Rob Adams
  77. Caring for the Vulnerable: Perspectives in Nursing Theory, Practice, and Research, 5th Edition: Mary de Chesnay & Barbara Anderson
  78. Geometry: The Line and the Circle: Maureen T. Carroll & Elyn Rykken
  79. Histories of Human Engineering: Tact and Technology: Maarten Derksen
  80. Land Restoration: Reclaiming Landscapes for a Sustainable Future, 1st Edition: Ilan Chabay & Martin Frick & Jennifer Helgeson
  81. Yamada's Handbook of Gastroenterology, 3rd Edition: Tadataka Yamada & John M. Inadomi & Renuka Bhattacharya & Jason A. Dominitz & Joo Ha Hwang
  82. Theoretical Physics 9: Fundamentals of Many-body Physics, 2nd Edition: Wolfgang Nolting & William D. Brewer
  83. Introduction to Programming with C++, 3rd Edition: Y. Daniel Liang
  84. Dental Emergencies, 1st Edition: Mark Greenwood & Ian Corbett
  85. Fundamentals of Physics and Chemistry of the Atmosphere, 2nd Edition: Guido Visconti
  86. Calculus: Early Transcendentals, 3rd Edition: William L. Briggs & Lyle Cochran & Bernard Gillett & Eric Schulz
  87. Educating Physical Therapists, 1st Edition: Gail Jensen
  88. Strategic Developments in Eurasia After 11 September, 1st Edition: Shireen Hunter
  89. Contemporary Issues in Healthcare Law and Ethics, 4th Edition: Dean Harris
  90. Transitioning from RN to MSN: Principles of Professional Role Development: Brenda Scott & Mindy Thompson
  91. Principles and Practice of Public Health Surveillance, 3rd Edition: Lisa M. Lee & Steven M. Teutsch & Stephen B. Thacker & Michael E. St. Louis
  92. Elementary Statistics: Picturing the World, 6th Edition: Ron Larson & Betsy Farber
  93. Human Sexuality in a World of Diversity, 6th Canadian Edition: Spencer A. Rathus & Jeffrey S. Nevid & Lois Fichner-Rathus & Alex McKay & Robin Milhausen
  94. Becoming Your Own Banker, 6th Edition: R. Nelson Nash
  95. Murach's MySQL, 3rd Edition: Joel Murach
  96. Intermediate Algebra, 13th Edition: Marvin L. Bittinger & Judith A. Beecher & Barbara L. Johnson
  97. Planning Health Promotion Programs: An Intervention Mapping Approach, 4th Edition: L. Kay Bartholomew Eldredge & Christine M. Markham & Robert A. C. Ruiter & Maria E. Fernández & Gerjo Kok & Guy S. Parcel
  98. Human Factors in Simple and Complex Systems, 3rd Edition: Robert W. Proctor & Trisha Van Zandt
  99. The Irony of Democracy: An Uncommon Introduction to American Politics, 17th Edition: Louis Schubert & Thomas R. Dye & Harmon Zeigler
  100. Understanding Earth, 7th Edition: John Grotzinger
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  102. The Philosophy of Film, 1st Edition: Thomas E. Wartenberg & Angela Curran
  103. Disaster Nursing and Emergency Preparedness, 4th Edition: Tener Goodwin Veenema
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  106. Exploring Biology in the Laboratory, 3rd Edition: Murray P. Pendarvis & John L. Crawley
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  108. Social Psychology: A Storytelling Approach, 2nd Edition: Leonard Newman & Ralph Erber
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  110. Environmental Change and Challenge: A Canadian Perspective, 5th Edition: Philip Dearden & Bruce Mitchell
  111. Brain and Behavior: A Cognitive Neuroscience Perspective, 1st Edition: David Eagleman & Jonathan Downar
  112. Cardiac/Vascular Nurse Exam Secrets Study Guide: Cardiac/Vascular Nurse Test Review for the Cardiac/Vascular Nurse Exam: Mometrix Media & Cardiac Vascular Nurse Exam Secrets
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  114. Principles of Environmental Science, 9th Edition: William Cunningham & Mary Cunningham
  115. Thomas' Calculus, 14th Edition: Joel R. Hass & Christopher E. Heil & Maurice D. Weir
  116. Pharmacology for Canadian Pharmacy Technicians, 1st Edition: Leland Norman Holland & Michael P. Adams & Jeanine Lynn Brice & Heather V. LeBlanc
  117. Cellular and Molecular Immunology, 9th Edition: Abul K. Abbas & Andrew H. Lichtman & Shiv Pillai
  118. Operations Management: Processes and Supply Chains, 11th Edition: Lee J. Krajewski & Manoj K. Malhotra & Larry P. Ritzman
  119. Jews, Christians, Muslims: A Comparative Introduction to Monotheistic Religions, 2nd Edition: John Corrigan & Frederick Denny & Martin S Jaffee & Carlos Eire
  120. Professional Nursing: Concepts & Challenges, 9th Edition: Beth Black
  121. Practical Homicide Investigation: Tactics, Procedures, and Forensic Techniques, 4th Edition: Vernon J. Geberth
  122. Fundamentals of Modern Manufacturing: Materials, Processes and Systems, 7th Edition: Mikell P. Groover
  123. Genetics: A Conceptual Approach, 7th Edition: Benjamin A. Pierce
  124. Computer Science Illuminated, 7th Edition: Nell Dale & John Lewis
  125. The Globalization of World Politics: An Introduction to International Relations, 8th Edition: John Baylis & Steve Smith & Patricia Owens
  126. Behavioral Neuroscience, 9th Edition: S. Marc Breedlove & Neil V. Watson
  127. Canadian Human Resource Management: A Strategic Approach, 12th Edition: Hermann Schwind & Krista Uggerslev & Terry Wagar & Neil Fassina
  128. Brief Principles of Macroeconomics, 9th Edition: N. Gregory Mankiw
  129. Living in the Environment, 4th Canadian Edition: G. Miller & Dave Hackett & Carl Wolfe
  130. Principles of Economics, 9th Edition: N. Gregory Mankiw
  131. Principles of Microeconomics, 9th Edition: N. Gregory Mankiw
  132. Child Development, 9th Edition: Laura E. Berk
  133. Home, School, and Community Collaboration: Culturally Responsive Family Engagement, 4th Edition: Kathy Beth Grant & Julie A. Ray
  134. Set Lighting Technician's Handbook, 4th Edition: Harry Box
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  139. The Earth and Its Peoples: A Global History, 7th Edition: Richard Bulliet & Pamela Crossley & Daniel Headrick & Steven Hirsch & Lyman Johnson
  140. Sociology in Action: A Canadian Perspective, 3rd Edition: Tami Bereska & Diane Symbaluk
  141. Operations Management: Processes and Supply Chains, 12th Edition: Lee J. Krajewski & Manoj K. Malhotra & Larry P. Ritzman
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  274. Introduction to Mathematical Statistics, 8th Edition: Robert V. Hogg & Joseph W. McKean & Allen T. Craig
  275. The Routledge Companion to Business Ethics, 1st Edition: Eugene Heath & Byron Kaldis & Alexei Marcoux
  276. Geosystems An Introduction to Physical Geography, Global Edition, 9th Edition: Ginger H. Birkel & Robert W. Christopherson
  277. Scientific American Environmental Science for a Changing World, 2nd Edition: Jeneen InterlandI & Anne Houtman
  278. Precalculus, 10th Edition: Ron Larson
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  280. Introduction to Materials Science for Engineers, 8th Edition: James F. Shackelford
  281. Adobe Dreamweaver CC Classroom in a Book, 1st Edition: Jim Maivald
  282. Trigonometry, 11th Edition: Margaret L. Lial & John Hornsby & David I. Schneider & Callie Daniels
  283. Investment Banks, Hedge Funds, and Private Equity, 3rd Edition: David P. Stowell
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  293. Biochemistry: Concepts and Connections, Global Edition, 1st Edition: Dean R. Appling & Spencer J. Anthony-Cahill & Christopher K. Mathews
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  327. Social Psychology, 8th Edition: Michael Hogg & Graham Vaughan
  328. Human Resources Management in Canada, 12th Canadian Edition: Gary Dessler & Nita Chhinzer & Nina Cole
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  332. Global Business Ethics: Responsible Decision Making in an International Context, 1st Edition: Ronald D Francis & Guy Murfey
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  358. Reinforcement Learning: An Introduction, 2nd edition: Richard S. Sutton & Andrew G. Barto
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Reverse Chance Me: Indian-American Male

Demographics: male, upper middle class, Asian Indian, heterosexual and cisgender, Long Island, New York, high school class of 2021
Intended Major(s): Mathematics
ACT/SAT/SAT II/PSAT: 35 (35E, 36M, 34R, 36S), 1570 (800 math, 770 english, 23/24 essay), 800 math2, 800 chem, 800 physics, 1500 (760 math, 740 english; hopefully i get national merit since I made the cut off)
UW/W GPA and Rank: 4.0UW, 103.96% weighted so far (out of 100%, APs weighted 1.08 and Honors 1.06; I'm not sure what it is out of 5 but everything's been an A or higher so far)
Coursework:
10th: AP World History (4, 99%), AP Computer Science Principles (4, 99%), AP Calculus BC (5, 97%); all other grades except Chemistry (96%) at least 97%
11th: AP Lang (5, 97%), Multivariable Calculus and Linear Algebra (through school, weighted as an AP, 98%; I get college credit from a state university for taking this), AP Physics 1 (5, 98%), AP United States History (5, 99%), AP Computer Science A (5, 100%), AP Statistics (self-studied, 5); all other grades 97% or higher
the above courses were taken through school, but I enrolled as a non-matriculated undergraduate student through the same state university that's giving me college credit for high school multi to take the following courses in Fall 2019 and Spring 2020 respectively:
"Logic, Language, and Proofs" (basically introduced me to the language of mathematics and abstract proof construction, etc.) (A+), Introduction to Real Analysis (third-year undergraduate course, probably) (A+)
12th: (incoming senior) AP Lit, Differential Equations (through school, weighted as an AP; I get college credit from a state university for taking this), AP Physics C (I don't know which yet but probably E/M), AP US Gov, AP Micro, AP Spanish Lang
the above courses are going to be taken through school, but I enrolled as a non-matriculated undergraduate student through the same state university that's giving me college credit for high school diffeq to take the following courses in Summer 2020, Fall 2020, and Spring 2021 respectively:
Applied Complex Analysis (well, I actually just finished this course, so I got an A), Advanced Linear Algebra, Analysis in Several Dimensions
like 12 APs in total by the end of senior year; I have taken the most rigorous courses available + courses at college
Awards:
AIME Qualifier (missed the USAMO cutoff by one AIME question's worth of index points, oops), HMMT/PUMaC awards
President's Volunteer Service Award, Gold (by the end of senior year, I should have lifetime ~650-675 volunteer hours): 3-time winner, 10th, 11th, and (expected) 12th
AP Scholar (I don't remember which though I have it on my application, but based on the scores I have, you can figure it out if you need to), Commended PSAT Scholar
UNSCO Qualifier, USAPhO Qualifier, USACO Silver
Regeneron Semifinalist, Scholastic Silver Writing Award (this was like 2-3 years ago, I don't remember much about it)
Essays:
they're actually coming on really good so far, not done writing though
Letters of Recommendations: my multi/diffeq teacher (really epic), my physics 1/c teacher (pretty good), my counselor (really good); additionally, I'm considering getting one from my principal (he first set me up to take the college math courses because he's an adjunct professor at the university I took courses at, so it should be cool), and a Princeton dude (see below for more explanation; he also used to mentor me before I started doing research)
Extracurriculars/Leadership Roles:
Science Olympiad (have won state medals before), Math Team (treasuresecretary 12th, top scorer in county-wide mathematics tournaments), Coding/CS Club (treasurer 11th, vice president 12th), National Honor Society, DECA (have qualified for the national-level competition, ICDC), did Model UN (but stopped after 10th, so probably won't put this on)
treasurer of our school's science research program from 2018 (personally offered this position by the director of the program) to when I graduate from high school in 2021
information technologist for a science education nonprofit
formerly unpaid teacher assistant (now paid 'intern'; my position got renamed because I've started doing more than just TAing) at a weekend mathematics enrichment program I used to attend when I was younger; I just set up and now own/manage the program's Discord as well as helped implement a grading system for the students on Google Classroom during the transition from real-life classes to online, Zoom classes due to COVID-19
CTO of a startup digital advertising business I co-founded with my friend (I personally made just under $15,000 so far, but the business's net worth is about $40,000)
in July 2018, I attended a summer program that related to computer science, electrical engineering, and informatics; we learned several skills such as programming Python (including NumPy, Matplotlib, and Pandas) in the context of physical engineering concepts and the Raspberry Pi; I engineering a program comparable to the widespread arcade game “Wheel of Fortune”
hospital volunteer (transporter, a large source of my volunteer hours)
Bitcoin/general cryptocurrency trademiner, I've set up several ASIC miners and studied their stock trends to optimize the amount of money I make from them, although I put a hold on this activity when crypto started dying again
10-year piano player (stopped in 9th grade though, but I went to state-level festivals and got perfect scores on my performances), 5-year viola player (planning to qualify for the state festival this year), JV Tennis (memes), 7-year soccer player (stopped after 9th grade, though)
also I'm probably not gonna put this on my application, but out of enjoyment, my friend and I conducted a satire analysis on our in-class chemistry performance through research, usage of spreadsheet/database applications, and Python’s machine learning modules; essentially, we collaborated on our mutual objective for his project in that we sought to “predict” when our grades would drastically fall, and a psychological explanation as to why we, somewhat academically-oriented students, tend to make the most drastic shortcomings when it comes to in-class performance ( used long short-term memory in the structures of recurrent neural networks which served as a model for Keras, a Python deep learning API, to make a grade prediction based on learning the ups and downs of our previous grades)
not sure if this counts for anything, but in May of 2012, in a Nassau County-based competition that I took against high schoolers double my age at the time, I won first place for the highest amount of problems correct so that's pretty cool I guess
finally, I've done over-the-summer online research under the guidance of a postdoctoral researcher in mathematics I got the contact of during a visit to Princeton University (did his doctoral thesis under the mentoring of Terence Tao, a world-renowned Fields Medal recipient)
Other life circumstances:
recovering narcotics addict (I had an injury while playing soccer in the spring of 9th grade and got hooked for a year after I didn't need them anymore), violent/alcohol-ridden home situation; I've had some issues with mental health in 9th and early 10th grade but I think I'm doing better now yay

I really wanna make it into some kind of Ivy/T20 kinda school, but I'm open to any suggestions as to where I stand in college admissions. Also, because I took all those college math courses, I got permission from the undergraduate director of mathematics to transfer those into credits for a bachelor's degree at that state school, so I can graduate two years early (2023 instead of 2025) if I get accepted and enroll there as a full-time student.
I'd really appreciate any help! Thanks!
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Artificial intelligence and blockchain

Artificial intelligence and blockchain
What is AI (artificial intelligence)? This is a program or code that can perform a specific function, change the patterns of its behaviour (for example, AI in video games) and even capable to self-learning. AI by itself can be of two types - simple (Narrow AI) and complicated (Strong AI). The first works with basic tasks, such as manipulating non-player characters in video games, verifying biometric data, or solving complex mathematical problems. The second is much more complicated, and exists only in theory so far, having wider possibilities, and one of the options for its using is blockchain.
EXBASE.IO
What can give unification between Blockchain and AI? Everything is quite simple - in the case of other areas, blockchain guarantees AI more security and data protection, at the same time AI provides self-learning, optimization of algorithms for building new chains and increased efficiency of management data that already exist.
Data exchange. The key essence of the blockchain is the exchange of data between nodes - network participants. On the basis of such networks, AI could learn, and then speed up the exchange of data between blocks and participants, speeding up the processes of processing transactions and finding new blocks.
Creation of supercomputers. Learning new algorithms by AI mostly depends on the availability of high power, which allows it to process a large amount of data. Considering that miners already provide their machines for solving certain tasks, it is logical that they can be used for the work of AI, providing it with additional resources.
Blockchain and AI undoubtedly need to be combined. And although at the current stage it is only guesswork and construction of possible concepts, in the near future their merger may lead to the highest growth in technology development.
#blockchain #bitcoin #cryptowallet #cryptocurrency

Website: https://exbase.io/ru/ Twitter: @exbase_io_ Facebook: https://www.facebook.com/exbase.io/ Telegram customer support: https://t.me/Exbaseofficial
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Mega eTextbooks release thread (part-28)! Find your textbooks here between $5-$25 :)

Please find the list below:
  1. Disease Gene Identification: Methods and Protocols, 2nd Edition: Johanna K. DiStefano
  2. Statistical Aspects of the Microbiological Examination of Foods, 3rd Edition: Basil Jarvis
  3. Revel for Social Problems, 14th Edition: Stanley Eitzen & Maxine Baca Zinn & Kelly Ei Smith
  4. Fundamentals of Human Resource Management: Pearson New International Edition, 3rd Edition: Gary Dessler
  5. Economics Today: The Micro View, 18th Edition: Roger LeRoy Miller
  6. Employment Law for Business, 8th Edition: Dawn Bennett-Alexander & Laura Hartman
  7. Surgical Exposures in Orthopaedics: The Anatomic Approach, 5th Edition: Stanley Hoppenfeld & Piet de Boer & Richard Buckley
  8. Project Management in Construction, 7th Edition: Sidney Levy
  9. Financial and Managerial Accounting, 7th Edition: John Wild & Ken Shaw & Barbara Chiappetta
  10. Handbook of Plant Disease Identification and Management, 1st Edition: Balaji Aglave
  11. Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04, 13th Edition: Matthew Helmke
  12. Handbook of Insulin Therapies, 1st Edition: Winston Crasto & Janet Jarvis & Melanie J. Davies
  13. Python for Programmers: with Big Data and Artificial Intelligence Case Studies, 1st Edition: Paul J. Deitel & Harvey Deitel
  14. Medical Ethics: Accounts of Ground-Breaking Cases, 7th Edition: Gregory Pence
  15. Human Resource Management, 13th Edition: Gary Dessler
  16. The Biology and Therapeutic Application of Mesenchymal Cells, 2 Volume Set, 1st Edition: Kerry Atkinson
  17. Computer Security Fundamentals, 3rd Edition: William Chuck Easttom
  18. Hendee's Radiation Therapy Physics, 4th Edition: Todd Pawlicki & Daniel J. Scanderbeg & George Starkschall
  19. Nutrient Delivery, 1st Edition: Alexandru Grumezescu
  20. Technology Entrepreneurship: Taking Innovation to the Marketplace, 2nd Edition: Thomas N. Duening & Robert A. Hisrich & Michael A. Lechter
  21. Chemistry of Metalloproteins: Problems and Solutions in Bioinorganic Chemistry, 1st Edition: Joseph J. Stephanos & Anthony W. Addison
  22. Mathematical Statistics with Applications in R, 2nd Edition: Kandethody M. Ramachandran & Chris P. Tsokos
  23. Diagnostic Imaging: Genitourinary, 3rd Edition: Mitchell E. Tublin
  24. Comprehensive Management of Arteriovenous Malformations of the Brain and Spine, 1st Edition: Robert F. Spetzler & Douglas S. Kondziolka & Randall T. Higashida & M. Yashar S. Kalani
  25. Digital Design: With an Introduction to the Verilog HDL, 5th Edition: M. Morris R. Mano & Michael D. Ciletti
  26. Plasmids: Biology and Impact in Biotechnology and Discovery, 1st Edition: Marcelo E. Tolmasky & Juan C. Alonso
  27. Consumer Behavior: Buying, Having, and Being, Global Edition, 12th Edition: Michael R. Solomon
  28. Project Management Case Studies, 5th Edition: Harold Kerzner
  29. Medical Phisiology: Principles for Clinical Medicine, 4th Edition: Rodney A. Rhoades & David R. Bell
  30. Essentials of Contemporary Management, 7th Edition: Gareth Jones & Jennifer George
  31. Harmony and Voice Leading, 4th Edition: Thomas E. Benjamin & Michael Horvit & Robert S. Nelson
  32. Principles of Economics, 2nd Edition: Lee Coppock & Dirk Mateer
  33. Oral Microbiology and Immunology, 2nd Edition: Richard J. Lamont & George N. Hajishengallis & Howard F. Jenkinson
  34. Magnetic Resonance Imaging of the Brain and Spine, 5th Edition: Scott W. Atlas
  35. Accounting Information Systems: Controls and Processes, 3rd Edition: Leslie Turner & Andrea B. Weickgenannt & Mary Kay Copeland
  36. Strategic Corporate Social Responsibility: Sustainable Value Creation, 5th Edition: David Chandler
  37. Julien's Primer of Drug Action: A Comprehensive Guide to the Actions, Uses, and Side Effects of Psychoactive Drugs, 14th Edition: Claire D. Advokat & Joseph Comaty & Robert Julien
  38. The Grand Chessboard: American Primacy And Its Geostrategic Imperatives, 1st Edition: Zbigniew Brzezinski
  39. The Cosmic Perspective: The Solar System, 8th Edition: Jeffrey O. Bennett & Megan O. Donahue & Nicholas Schneider & Mark Voit
  40. Ultrastructure Atlas of Human Tissues, 1st Edition: Fred Hossler
  41. Advances in the Biology and Management of Modern Bed Bugs, 1st Edition: Stephen L. Doggett & Dini M. Miller & Chow-Yang Lee
  42. Patterns of World History: Volume One: To 1600, 1st Edition: Peter von Sivers & Charles A. Desnoyers & George B. Stow
  43. Genitourinary Imaging: A Core Review, 1st Edition: Matthew Davenport
  44. Evidence-based Obstetrics and Gynecology, 1st Edition: Errol R. Norwitz & Carolyn M. Zelop & David A. Miller & David L. Keefe
  45. Zoology, 10th Edition: Stephen Miller & John Harley
  46. Radical and Reconstructive Gynecologic Cancer Surgery, 1st Edition: Robert Bristow & Dennis Chi
  47. Davis's Diseases & Disorders A Nursing Therapeutics Manual, 6th Edition: Marilyn Sawyer Sommers
  48. Management & Cost Accounting, 6th Edition: Alnoor Bhimani
  49. Elements of Modern Algebra, 8th Edition: Linda Gilbert
  50. Psychiatric & Mental Health Nursing, 4th Edition: Katie Evans & Debra Nizette & Anthony O'Brien
  51. Molecular Biology: Different Facets, 1st Edition: Anjali Priyadarshini & Prerna Pandey
  52. Elementary Number Theory, 7th Edition: David Burton
  53. Accounting Information Systems, 14th Edition: Marshall B. Romney & Paul J. Steinbart
  54. Microeconomics, Global Edition, 9th Edition: Robert Pindyck & Daniel Rubinfeld
  55. Psychiatric and Mental Health Nursing Demystified, 1st Edition: Jim Keogh
  56. Entrepreneurship, 10th Edition: Robert Hisrich & Michael Peters & Dean Shepherd
  57. Ganong's Review of Medical Physiology, 26th Edition: Kim E. Barrett & Susan M. Barman & Jason Yuan & Heddwen L. Brooks
  58. Textbook of Obstetrics and Gynaecology: A life course approach, 1st Edition: Eric A.P. Steegers & Bart C.J.M. Fauser & Carina G.J.M. Hilders
  59. Engineering Mechanics: Statics, 8th Edition: James L. Meriam & L. G. Kraige & J. N. Bolton
  60. Basic Concepts of Psychiatric-Mental Health Nursing, 8th Edition: Louise Rebraca Shives
  61. Beckmann and Ling's Obstetrics and Gynecology, 8th Edition: Robert Casanova
  62. Biology: Concepts and Applications, 10th Edition: Cecie Starr & Christine Evers & Lisa Starr
  63. Estimating in Building Construction, 9th Edition: Steven J. Peterson & Frank R. Dagostino
  64. The Big Back Book: Tips & Tricks for Therapists, 1st Edition: Jane Johnson
  65. University Physics with Modern Physics, 14th Edition: Hugh D. Young & Roger A. Freedman
  66. Poisoning and Drug Overdose, 7th Edition: Kent Olson & Ilene Anderson & Neal Benowitz & Paul Blanc
  67. Koneman's Color Atlas and Textbook of Diagnostic Microbiology, 7th Edition: Gary W. Procop
  68. Experimental Psychology, 7th Edition: Anne Myers & Christine H. Hansen
  69. Marketing: An Introduction, 13th Edition: Gary Armstrong & Philip Kotler
  70. Gray's Anatomy for Students: With Student Consult, 3rd Edition: Richard Drake & A. Wayne Vogl & Adam W. M. Mitchell
  71. Chestnut's Obstetric Anesthesia: Principles and Practice, 5th Edition: David H. Chestnut & Cynthia A Wong & Lawrence C Tsen & Warwick D Ngan Kee & Yaakov Beilin & Jill Mhyre
  72. Chemistry: The Molecular Science, 5th Edition: John W. Moore & Conrad L. Stanitski
  73. Head, Neck and Dental Emergencies, 2nd Edition: Mike Perry
  74. Wong's Nursing Care of Infants and Children, 10th Edition: Marilyn J. Hockenberry & David Wilson
  75. Sports Emergency Care: A Team Approach, 3rd Edition: Robb Rehberg & Jeff G. Konin
  76. New Venture Creation: Entrepreneurship for the 21st Century, 10th Edition: Stephen Spinelli & Rob Adams
  77. Caring for the Vulnerable: Perspectives in Nursing Theory, Practice, and Research, 5th Edition: Mary de Chesnay & Barbara Anderson
  78. Geometry: The Line and the Circle: Maureen T. Carroll & Elyn Rykken
  79. Histories of Human Engineering: Tact and Technology: Maarten Derksen
  80. Land Restoration: Reclaiming Landscapes for a Sustainable Future, 1st Edition: Ilan Chabay & Martin Frick & Jennifer Helgeson
  81. Yamada's Handbook of Gastroenterology, 3rd Edition: Tadataka Yamada & John M. Inadomi & Renuka Bhattacharya & Jason A. Dominitz & Joo Ha Hwang
  82. Theoretical Physics 9: Fundamentals of Many-body Physics, 2nd Edition: Wolfgang Nolting & William D. Brewer
  83. Introduction to Programming with C++, 3rd Edition: Y. Daniel Liang
  84. Dental Emergencies, 1st Edition: Mark Greenwood & Ian Corbett
  85. Fundamentals of Physics and Chemistry of the Atmosphere, 2nd Edition: Guido Visconti
  86. Calculus: Early Transcendentals, 3rd Edition: William L. Briggs & Lyle Cochran & Bernard Gillett & Eric Schulz
  87. Educating Physical Therapists, 1st Edition: Gail Jensen
  88. Strategic Developments in Eurasia After 11 September, 1st Edition: Shireen Hunter
  89. Contemporary Issues in Healthcare Law and Ethics, 4th Edition: Dean Harris
  90. Transitioning from RN to MSN: Principles of Professional Role Development: Brenda Scott & Mindy Thompson
  91. Principles and Practice of Public Health Surveillance, 3rd Edition: Lisa M. Lee & Steven M. Teutsch & Stephen B. Thacker & Michael E. St. Louis
  92. Elementary Statistics: Picturing the World, 6th Edition: Ron Larson & Betsy Farber
  93. Human Sexuality in a World of Diversity, 6th Canadian Edition: Spencer A. Rathus & Jeffrey S. Nevid & Lois Fichner-Rathus & Alex McKay & Robin Milhausen
  94. Becoming Your Own Banker, 6th Edition: R. Nelson Nash
  95. Murach's MySQL, 3rd Edition: Joel Murach
  96. Intermediate Algebra, 13th Edition: Marvin L. Bittinger & Judith A. Beecher & Barbara L. Johnson
  97. Planning Health Promotion Programs: An Intervention Mapping Approach, 4th Edition: L. Kay Bartholomew Eldredge & Christine M. Markham & Robert A. C. Ruiter & Maria E. Fernández & Gerjo Kok & Guy S. Parcel
  98. Human Factors in Simple and Complex Systems, 3rd Edition: Robert W. Proctor & Trisha Van Zandt
  99. The Irony of Democracy: An Uncommon Introduction to American Politics, 17th Edition: Louis Schubert & Thomas R. Dye & Harmon Zeigler
  100. Understanding Earth, 7th Edition: John Grotzinger
  101. Nursing Research in Canada: Methods, Critical Appraisal, and Utilization, 4th Edition: Geri LoBiondo-Wood & Judith Haber & Cherylyn Cameron & Mina Singh
  102. The Philosophy of Film, 1st Edition: Thomas E. Wartenberg & Angela Curran
  103. Disaster Nursing and Emergency Preparedness, 4th Edition: Tener Goodwin Veenema
  104. Language in Mind: An Introduction to Psycholinguistics, 2nd Edition: Julie Sedivy
  105. Medical Anthropology: A Biocultural Approach, 3rd Edition: Andrea S. Wiley & John S. Allen
  106. Exploring Biology in the Laboratory, 3rd Edition: Murray P. Pendarvis & John L. Crawley
  107. Guide to Networking Essentials, 8th Edition: Greg Tomsho
  108. Social Psychology: A Storytelling Approach, 2nd Edition: Leonard Newman & Ralph Erber
  109. Managing Conflict: An Introspective Journey to Negotiating Skills, 1st Edition: Dorothy Balancio
  110. Environmental Change and Challenge: A Canadian Perspective, 5th Edition: Philip Dearden & Bruce Mitchell
  111. Brain and Behavior: A Cognitive Neuroscience Perspective, 1st Edition: David Eagleman & Jonathan Downar
  112. Cardiac/Vascular Nurse Exam Secrets Study Guide: Cardiac/Vascular Nurse Test Review for the Cardiac/Vascular Nurse Exam: Mometrix Media & Cardiac Vascular Nurse Exam Secrets
  113. Keeping the Republic: Power and Citizenship in American Politics, The Essentials, 9th Edition: Christine Barbour & Gerald Wright
  114. Principles of Environmental Science, 9th Edition: William Cunningham & Mary Cunningham
  115. Thomas' Calculus, 14th Edition: Joel R. Hass & Christopher E. Heil & Maurice D. Weir
  116. Pharmacology for Canadian Pharmacy Technicians, 1st Edition: Leland Norman Holland & Michael P. Adams & Jeanine Lynn Brice & Heather V. LeBlanc
  117. Cellular and Molecular Immunology, 9th Edition: Abul K. Abbas & Andrew H. Lichtman & Shiv Pillai
  118. Operations Management: Processes and Supply Chains, 11th Edition: Lee J. Krajewski & Manoj K. Malhotra & Larry P. Ritzman
  119. Jews, Christians, Muslims: A Comparative Introduction to Monotheistic Religions, 2nd Edition: John Corrigan & Frederick Denny & Martin S Jaffee & Carlos Eire
  120. Professional Nursing: Concepts & Challenges, 9th Edition: Beth Black
  121. Practical Homicide Investigation: Tactics, Procedures, and Forensic Techniques, 4th Edition: Vernon J. Geberth
  122. Fundamentals of Modern Manufacturing: Materials, Processes and Systems, 7th Edition: Mikell P. Groover
  123. Genetics: A Conceptual Approach, 7th Edition: Benjamin A. Pierce
  124. Computer Science Illuminated, 7th Edition: Nell Dale & John Lewis
  125. The Globalization of World Politics: An Introduction to International Relations, 8th Edition: John Baylis & Steve Smith & Patricia Owens
  126. Behavioral Neuroscience, 9th Edition: S. Marc Breedlove & Neil V. Watson
  127. Canadian Human Resource Management: A Strategic Approach, 12th Edition: Hermann Schwind & Krista Uggerslev & Terry Wagar & Neil Fassina
  128. Brief Principles of Macroeconomics, 9th Edition: N. Gregory Mankiw
  129. Living in the Environment, 4th Canadian Edition: G. Miller & Dave Hackett & Carl Wolfe
  130. Principles of Economics, 9th Edition: N. Gregory Mankiw
  131. Principles of Microeconomics, 9th Edition: N. Gregory Mankiw
  132. Child Development, 9th Edition: Laura E. Berk
  133. Home, School, and Community Collaboration: Culturally Responsive Family Engagement, 4th Edition: Kathy Beth Grant & Julie A. Ray
  134. Set Lighting Technician's Handbook, 4th Edition: Harry Box
  135. Clinical Nurse Leader Certification Review, 2nd Edition: Cynthia R. King
  136. Basic Chemistry, 4th Edition: Karen C. Timberlake & William Timberlake
  137. Sparks & Taylor's Nursing Diagnosis Pocket Guide, 3rd Edition: Linda Phelps
  138. Family Theories: Foundations and Applications, 1st Edition: Katherine R. Allen & Angela C. Henderson
  139. The Earth and Its Peoples: A Global History, 7th Edition: Richard Bulliet & Pamela Crossley & Daniel Headrick & Steven Hirsch & Lyman Johnson
  140. Sociology in Action: A Canadian Perspective, 3rd Edition: Tami Bereska & Diane Symbaluk
  141. Operations Management: Processes and Supply Chains, 12th Edition: Lee J. Krajewski & Manoj K. Malhotra & Larry P. Ritzman
  142. Introduction to Food Science and Food Systems, 2nd Edition: Rick Parker & Miriah Pace
  143. Liaisons, Student Edition: An Introduction to French, 3rd Edition: Wynne Wong & Stacey Weber-Fève & Bill VanPatten
  144. Zuckerman Parker Handbook of Developmental and Behavioral Pediatrics for Primary Care, 4th Edition: Marilyn Augustyn & Barry Zuckerman
  145. Teaching in Today's Inclusive Classrooms: A Universal Design for Learning Approach, 3rd Edition: Richard M. Gargiulo & Debbie Metcalf
  146. The Biological Basis of Mental Health, 3rd Edition: William T. Blows
  147. Developing and Managing Electronic Collections: The Essentials: Peggy Johnson
  148. Western Civilization: Volume II: Since 1500, 10th Edition: Jackson J. Spielvogel
  149. Talking to Strangers: What We Should Know about the People We Don't Know, 1st Edition: Malcolm Gladwell
  150. Understanding Pathophysiology, 7th Edition: Sue E. Huether & Kathryn L. McCance
  151. Our Environment: A Canadian Perspective, 5th edition: Dianne Draper & Ann Zimmerman
  152. Criminal Law: Cases and Materials, 8th Edition: John Kaplan & Robert Weisberg & Guyora Binder
  153. A Photographic Atlas of Histology, 2nd Edition: Michael J Leboffe
  154. Dragons and Tigers: A Geography of South, East, and Southeast Asia, 3rd Edition: Barbara A. Weightman
  155. Climate Change Biology, 1st Edition: Jonathan A. Newman & Madhur Anand & Hugh A. L. Henry & Shelley L. Hunt & Ze'ev Gedalof
  156. The Power of Critical Thinking: 5th Canadian Edition: Chris MacDonald and Lewis Vaughn
  157. Principles of Fire Behavior and Combustion, 4th Edition: Richard Gann & Raymond Friedman
  158. Informatics Nurse Exam Secrets Study Guide: Informatics Test Review for the Informatics Nurse Certification Exam: Informatics Exam Secrets Test Prep Team
  159. General Chemistry, 10th Edition: Darrell Ebbing & Steven D. Gammon
  160. A Practical Guide to Computer Forensics Investigations, 1st Edition: Darren R. Hayes
  161. Basic Biomechanics, 8th Edition: Susan Hall
  162. Essay Writing for Canadian Students, 8th Edition: Roger Davis & Laura K. Davis
  163. Biology, 11th Edition: Peter Raven & George Johnson & Kenneth Mason & Jonathan Losos & Susan Singer
  164. Molecular Imaging, 1st Edition: Ralph Weissleder& Brian D. Ross & Alnawaz Rehemtulla & Sanjiv Sam Gambhir
  165. Criminology, 4th Edition: Frank Schmalleger
  166. A Theory of Truthmaking: Metaphysics, Ontology, and Reality: Jamin Asay
  167. The Routledge Handbook of Metaphysical Grounding, 1st Edition: Michael J. Raven
  168. Linear Algebra and Its Applications, 5th Edition: David C. Lay & Steven R. Lay & Judi J. McDonald
  169. Essentials of Human Communication, 9th Edition: Joseph A. DeVito
  170. Economics: Principles, Applications, and Tools, 9th Edition, Global Edition: Arthur O'Sullivan & Steven Sheffrin & Stephen Perez
  171. Global Health 101, 3rd Edition: Richard Skolnik
  172. Mathematical Proofs: A Transition to Advanced Mathematics, 4th Edition: Gary Chartrand & Albert D. Polimeni & Ping Zhang
  173. Concepts in Strategic Management and Business Policy: Globalization, Innovation and Sustainability, 15th Edition, Global Edition: Thomas L. Wheelen & J. David Hunger & Alan N. Hoffman & Charles E. Bamford
  174. Chemistry: The Central Science, 14th Edition, Global Edition: Theodore E. Brown & H. Eugene LeMay & Bruce E. Bursten & Catherine Murphy & Patrick Woodward & Matthew E. Stoltzfus
  175. Biopsychology, 10th Edition, Global Edition: John P. J. Pinel & Steven Barnes
  176. Electric Circuits, 11th Edition: James W. Nilsson & Susan Riedel
  177. Keeping the Republic; Power and Citizenship in American Politics, the Essentials, 8th Edition: Christine Barbour & Gerald C Wright
  178. Applied Behavior Analysis: Pearson New International Edition, 2nd Edition: John O. Cooper & Timothy E. Heron & William L. Heward
  179. Cryptography and Network Security: Principles and Practice, 7th Edition, Global Edition: William Stallings
  180. Operating Systems: Internals and Design Principles, 9th Edition, Global Edition: William Stallings
  181. Options, Futures, and Other Derivatives, 9th Edition, Global Edition: John C. Hull
  182. Invitation to the Psychology of Religion, 3rd Edition: Raymond F. Paloutzian
  183. Valuation: The Art and Science of Corporate Investment Decisions, 3rd Edition: Sheridan Titman
  184. Comprehensive Clinical Nephrology, 5th Edition: Richard J. Johnson & John Feehally & Jurgen Floege
  185. Miller & Freund's Probability and Statistics for Engineers, 9th Edition, Global Edition: Richard Johnson & Irwin Miller & John Freund
  186. Exploring Strategy: Text and Cases, 11th Edition: Gerry Johnson & Richard Whittington & Patrick Regnér & Kevan Scholes & Duncan Angwin
  187. Economics for Business, 7th Edition: John Sloman
  188. Essentials of Economics, 7th Edition: John Sloman & Dean Garratt
  189. Economics, 9th Edition: John Sloman & Dean Garratt & Alison Wride
  190. Essential Economics for Business, 5th Edition: Johnsloman & Jones Elizabeth
  191. Finite Mathematics, 7th Edition: Stefan Waner & Steven Costenoble
  192. The SAGE Encyclopedia of Surveillance, Security, and Privacy, 1st Edition: Bruce A. Arrigo
  193. Evolution, 4th Edition: Douglas J. Futuyma & Mark Kirkpatrick
  194. Adult Development and Aging, 7th Edition: John C. Cavanaugh & Fredda Blanchard-Fields
  195. Foundations of Finance, 9th Edition, Global Edition: Arthur J. Keown & John D Martin & J. William Petty
  196. Learning PHP, MySQL & JavaScript: With jQuery, CSS & HTML5, 4th Edition: Robin Nixon
  197. Head First Learn to Code: A Learner's Guide to Coding and Computational Thinking, 1st Edition: Eric Freeman
  198. Learning Swift: Building Apps for macOS, iOS, and Beyond, 3rd Edition: Jonathon Manning & Paris Buttfield-Addison & Tim Nugent
  199. Database Systems: Design, Implementation, & Management, 12th Edition: Carlos Coronel & Steven Morris
  200. Introduction to Solid Modeling Using SolidWorks, 13th Edition: William Howard & Joseph Musto
  201. Communications Receivers: Principles and Design, 4th Edition: Ulrich Rohde & Jerry Whitaker & Hans Zahnd
  202. Connect Core Concepts in Health, 15th Edition: Paul Insel & Walton Roth
  203. On Course: Strategies for Creating Success in College and in Life, 8th Edition: Skip Downing
  204. Vander's Human Physiology, 15th Edition: Eric Widmaier & Hershel Raff & Kevin Strang
  205. Biology, 4th Edition: Robert Brooker & Eric Widmaier & Linda Graham & Peter Stiling
  206. The Essentials of Statistics: A Tool for Social Research, 4th Edition: Joseph F. Healey
  207. Oracle 12c: SQL, 3rd Edition: Joan Casteel
  208. Global Business Today, 10th Edition: Charles Hill & G. Tomas M. Hult
  209. Project Management: The Managerial Process, 7th Edition: Erik Larson & Clifford Gray
  210. Organizational Behavior: A Practical, Problem-Solving Approach, 2nd Edition: Angelo Kinicki & Mel Fugate
  211. International Management: Culture, Strategy, and Behavior, 10th Edition: Fred Luthans & Jonathan Doh
  212. CorelDRAW X8: The Official Guide, 12th Edition: Gary David Bouton
  213. Physics for Scientists and Engineers: An Interactive Approach, 2nd Edition: Robert Hawkes & Javed Iqbal & Firas Mansour & Marina Milner-Bolotin & Peter Williams
  214. Programmable Logic Controllers, 5th Edition: Frank Petruzella
  215. Foundations in Microbiology, 10th Edition: Kathleen Park Talaro & Barry Chess
  216. Applied Numerical Methods with MATLAB for Engineers and Scientists, 4th Edition: Steven Chapra
  217. Tonal Harmony, 8th Edition: Stefan Kostka & Dorothy Payne & Byron Almén
  218. Discrete Mathematics, 8th Edition: Richard Johnsonbaugh
  219. Bates' Pocket Guide to Physical Examination and History Taking, 8th Edition: Lynn S. Bickley
  220. NANDA International Nursing Diagnoses: Definitions & Classification 2018-2020, 11th Edition: T. Heather Herdman & Shigemi Kamitsuru & Heather T. Herdman
  221. Biology: Concepts and Investigations, 4th Edition: Mariëlle Hoefnagels
  222. Biology: Concepts and Investigations, 3rd Edition: Mariëlle Hoefnagels
  223. Human Biology: Concepts and Current Issues, 8th Edition, Global Edition: Michael D. Johnson
  224. Messages: Building Interpersonal Communication Skills, 5th Canadian Edition: Joseph A. DeVito & Rena Shimoni & Dawne Clark
  225. The Interpersonal Communication Book, 14th Edition, Global Edition: Joseph A. DeVito
  226. Computational Systems Pharmacology and Toxicology, 1st Edition: Rudy J Richardson & Dale E Johnson & Noffisat Oki & David Faulkner
  227. Shelly Cashman Series Microsoft Office 365 & Office 2019 Introductory, 1st Edition: Sandra Cable & Steven M. Freund & Ellen Monk & Susan L. Sebok & Joy L. Starks
  228. The Practice of Emotionally Focused Couple Therapy: Creating Connection, 2nd Edition: Susan M. Johnson
  229. The Marriage Clinic: A Scientifically Based Marital Therapy, 1st Edition: John M. Gottman
  230. Cognitive-Behavioral Therapy with Couples and Families: A Comprehensive Guide for Clinicians, 1st Edition: Frank M. Dattilio & Aaron T. Beck
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  236. ICD-10-CM 2019: The Complete Official Codebook, 1st Edition: American Medical Association
  237. Essentials of Human Anatomy & Physiology, 12th Edition, Global Edition: Elaine N. Marieb & Suzanne M. Keller
  238. Early Childhood Education Today, 14th Edition: George S Morrison
  239. Programming Bitcoin: Learn How to Program Bitcoin from Scratch, 1st Edition: Jimmy Song
  240. The Physiology and Biochemistry of Prokaryotes, 4th Edition: David White & James Drummond & Clay Fuqua
  241. Environmental Microbiology, 3rd Edition: Ian L. Pepper & Charles P. Gerba & Terry J. Gentry
  242. Industrial Microbiology: An Introduction, 1st Edition: Michael J. Waites & Neil L. Morgan & John S. Rockey & Gary Higton
  243. Introduction to Econometrics, Updated 3rd Edition, Global Edition: James H. Stock & Mark W. Watson
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  245. Expert Oracle Application Express, 2nd Edition: Doug Gault & Dimitri Gielis & Martin DSouza & Roel Hartman
  246. The Art of Reasoning: An Introduction to Logic and Critical Thinking, 4th Edition: David Kelley
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  248. Applied Fluid Mechanics, 7th Edition: Robert L. Mott & Joseph A. Untener
  249. Applied Strength of Materials, SI Units Version, 6th Edition: Robert L. Mott & Joseph A. Untener
  250. Social Psychology, 12th Edition: David Myers & Jean Twenge
  251. Applied Strength of Materials, 6th Edition: Robert Mott & Joseph A. Untener
  252. Foundations of Nursing Research, 7th Edition: Rose Marie Nieswiadomy & Catherine Bailey
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  256. Particle Image Velocimetry: A Practical Guide, 3rd Edition: Markus Raffel & Christian E. Willert & Fulvio Scarano & Christian J. Kähler
  257. Smith's Textbook of Endourology, 4th Edition: Arthur D. Smith & Glenn Preminger & Gopal H. Badlani & Louis R. Kavoussi
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  264. Business Analytics, 4th Edition: Jeffrey D. Camm & James J. Cochran & Michael J. Fry & Jeffrey W. Ohlmann
  265. Biological Psychology, 13th Edition: James W. Kalat
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  276. Geosystems An Introduction to Physical Geography, Global Edition, 9th Edition: Ginger H. Birkel & Robert W. Christopherson
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The hardest problem on the hardest test - YouTube The unsolved math problem which could be worth a billion ... Bitcoin Explained Episode 6: Bitcoin Mining Formula Explained Bitcoin: How Cryptocurrencies Work - YouTube What problem is Bitcoin solving? Bitcoin 101 ep3

Quantum computers have the capability to crack complex mathematical problems as qubits or quantum bits can maintain a “superimposition” by being in two states at a given time. Meanwhile, Marchenkova doesn’t think crypto holders must find a way to move their Bitcoin to a quantum secure wallet immediately. But she does believe anyone holding crypto should be concerned and keep tabs on the ... When first appeared, Bitcoins were mined by using specially designed algorithms that were solving high-complex mathematical problems. These equations verified the transactions, rewarding the 'solver' with a block reward. With time, this block reward started to decrease, where within few years, it will disappear completely. Forget the big word we will just keep calling it complex mathematical problems. Whichever transaction’s mathematical problem is solved first will be added to another register where it is ... A block on Bitcoin blockchain can only contain a collection of transactions not exceeding 1MB of data. Therefore, the Bitcoin blockchain can only handle up to 7 transactions per second. Considering the current difficulty of complex mathematical problems, it takes on average 10 mins to apply the longest chain rule and validate a new block. So, if the network is congested and a large number of ... Are you a good problem solver? Well, then you may be a good candidate to get involved with bitcoin mining, because that is what the process is all about. First of all, the discovery of bitcoins is itself called “solving” a block. In case you don’t know what that involves, it means that whatever the apparatus you are using to get the job accomplished, it is going to do millions and ...

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The hardest problem on the hardest test - YouTube

This introduction to bitcoin explains what is a crypto-currency and what exatly is a bitcoin? Also touched on are the other major currencies such as litecoin... In this episode of Bitcoin 101 we look at the ability of bitcoin to give you financial freedom. The aspect of banks as middlemen between two people is an ano... I have solved 3 real SAT math problems that involve complex numbers. The rules of the complex numbers, i, are also givin in the beginning of the video. As al... Start trading Bitcoin and cryptocurrency here: http://bit.ly/2Vptr2X Bitcoin is the first decentralized digital currency. All Bitcoin transactions are docume... No one on Earth knows how to reverse one of the most popular computer algorithms. Yet it's really easy to compute one-way. You could make billions of dollars...

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