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Work on blockchain technology is a fairly broad area so can be split up as follows: If you want to understand or contribute to the core code of a blockchain protocol implementation then you should learn the language of that implementation. For example, the Ethereum protocol is implemented in Go, Rust, C++, Python and Java. This also applies if you want to work on tooling for these implementations. If you want to understand the mechanics of a blockchain then you should research cryptography, crypto-economics, game theory and distributed computing. Knowledge of programming languages like C++ and Python will definitely give a good foundation for this research but it is not crucial. If you want to write programs that run on a blockchain you should learn the language required to do this: like Bitcoin Script or Solidity for Ethereum smart contracts. If you want to write an application that provides an interface for making transactions on a blockchain then you should learn JavaScript. Most blockchains will have JS libraries to facilitate this, like web3.js for Ethereum and bitcoinjs for Bitcoin . Web applications are still web applications and the same rules apply for 'decentralised' web apps.
Solidity is definitely the popular choice and the most advanced of Ethereum's smart contract languages but there are other experimental languages in development: Babbage - a visual smart contract programming language. https://medium.com/@chriseth/babbage-a-mechanical-smart-contract-language-5c8329ec5a0e Bamboo - a morphing smart contract language. https://github.com/pirapira/bamboo LLL (Low-level Lisp-like Language) - the original contract programming langauge. https://media.consensys.net/an-introduction-to-lll-for-ethereum-smart-contract-development-e26e38ea6c23 Vyper (previously Viper) - the latest contract programming language. https://github.com/ethereum/vyper
A contract is “a voluntary arrangement between two or more parties” A smart contract is “a computer protocol intended to facilitate, verify, or enforce the negotiation or performance of a contract” Cryptographer Nick Szabo first proposed the idea of smart contracts way back in the 90s and they have recently been employed in blockchain projects, most notably Ethereum. Smart contracts in the context of Ethereum are scripts that are executed on a global network of public nodes — the EVM (Ethereum Virtual Machine) — and can read/write transactions from/to the blockchain. A smart contract can be used to programmatically and autonomously enforce agreements. The implication of this is, of course, the removal of centralised intermediaries. Hence the usefulness in decentralised software.
This is a duplicate of https://hashnode.com/post/whats-the-current-best-ide-for-writing-ethereum-smart-contracts-solidity-cjbhj80uc01ujyawtdcicwm2h If you are referring to generic IDEs (like Atom and Sublime) then the answer is purely up to personal preference. Syntax highlighters for Solidity exist for all the major IDEs. However, there are other specific, web-based IDEs to author Solidity smart contracts in: remix.ethereum.org ethfiddle.com
If you are referring to generic IDEs (like Atom and Sublime) then the answer is purely up to personal preference. Syntax highlighters for Solidity exist for all the major IDEs. However, there are other specific, web-based IDEs to author Solidity smart contracts in: https://remix.ethereum.org/ https://ethfiddle.com/
Swarm is an incentivised distributed storage platform and content distribution service. When you upload data to Swarm, instead of the data being stored on a specific server it is distributed across a network of nodes. When data is requested from Swarm it is served from the nodes that hold that data. Nodes are rewarded for storing and retrieving data. Swarm's primary use cases are: Storage of data, particularly as an auxiliary database to Ethereum Hosting decentralised applications and their assets Take a look at the Swarm website (hosted on Swarm!) for more info: http://swarm-gateways.net/bzz:/theswarm.eth/
If you want to learn about blockchain technology through building one (albeit a simplified one!), here are some good articles: https://hackernoon.com/learn-blockchains-by-building-one-117428612f46 (Python) https://medium.com/@lhartikk/a-blockchain-in-200-lines-of-code-963cc1cc0e54 (JavaScript) As for building an application that uses a blockchain, there are so many emerging options but I'd say the best for 'getting started' is definitely Ethereum. It is (relatively) mature and has a large community behind it. If you're looking for an introduction to writing decentralised apps with Ethereum smart contracts I'm writing a blog series on exactly that! Check it out: https://blog.jaak.io/crossing-over-to-web3-an-introduction-to-decentralised-development-53de470da331
A contract is “a voluntary arrangement between two or more parties” A smart contract is “a computer protocol intended to facilitate, verify, or enforce the negotiation or performance of a contract” Cryptographer Nick Szabo first proposed the idea of smart contracts way back in the 90s and they have since featured heavily in many cryptocurrency-based projects, most notably Ethereum. Smart contracts in the context of Ethereum are scripts that are executed on a global network of public nodes — the EVM (Ethereum Virtual Machine) — and can read/write transactions from/to the blockchain. A smart contract can be used to programmatically and autonomously enforce agreements. The implication of this is, of course, the removal of centralised intermediaries. Hence the usefulness in decentralised software. This definition can be found alongside a full working example of a todo list smart contract in my article: https://blog.jaak.io/crossing-over-to-web3-smart-contracts-3a295e35e5c0