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Solidity is a contract-oriented, high-level language whose syntax is similar to that of JavaScript and it is designed for writing smart contracts in Ethereum to run on the EVM. Solidity is statical…

Go Ethereum (short: Geth) is a Golang implementation of the Ethereum protocol.

Javascript API and library for Ethereum To develop applications on Ethereum, you can use the web3 object provided by the web3.js library. Under the hood it communicates to a local node through RPC ca…

Questions regarding the development of smart contracts

The Ethereum blockchain is a distributed database based on the Ethereum whitepaper specification and stores both the full transaction list and the most recent state.

Questions about Remix, an online browser compiler for Solidity, formerly called Browser Solidity.

The term "transaction" is used in Ethereum to refer to the signed data package that stores a message to be sent from an externally owned account.

Questions regarding the implementation and use of the Truffle development and testing environment.

The ERC20 Token Standard is a set of 8 functions to be included (in an agreed upon language) in a smart token contract in order to enable interoperability across multiple interfaces and dapps. These f…

A token is a transferable, divisible object on the blockchain, such as a subcurrency or a prediction market share.

Ether (ETH) is the main internal crypto-fuel of Ethereum and is used to pay transaction fees.

Question about the Metamask chrome's plugin.

for high-level questions about the choices made during contract construction

The act of pushing a compiled smart contract in byte code to the Ethereum blockchain.

Gas is a 'sub-currency' which enables the EVM and Ethereum's decentralised computer to run -- with each operation, an amount of gas (proportional to the computational effort required to perform the op…

A lightweight JavaScript library which can be used as an alternative to Web3.js to build your JavaScript front-end and interact with the Ethereum blockchain.

Wallets are applications on top of accounts, so called smart contracts, which manage your Ether. There are simple savings wallets or multisignature wallets.

JavaScript is a dynamic, weakly-typed language used for client-side as well as server-side scripting.

Etherscan is a search engine that allows Ethereum blockchain users to look up, confirm and validate transactions that have taken place on the blockchain.

Uniswap is a decentralized finance protocol that is used to exchange cryptocurrencies.

Questions about NFTs, non-fungible tokens.

Questions about applications and projects on Ethereum: a decentralized application (dapp) does not require any servers or backends and runs independent on a distributed blockchain.

Questions regarding the act of calling or interacting with (a.k.a. invoking) a contract on the Ethereum blockchain by a user or another contract on the blockchain. Includes both local invocation by ca…

Mining is the process by which it is ensured that the blockchain is the same across all nodes. A miner that solves a cryptological problem related to the previous transactions on the blockchain is rew…

Private blockchains are not available for the public and are maintained/secured by a cluster of trusted nodes. These kind of blockchains are useful when dealing with sensitive information.

EVM is the Ethereum Virtual Machine, the protected, distributed "sandbox area" (virtual machine) where contract execution occurs, replicated on every node in the network. EVM is also the name of the b…

Tag for the questions related to the deployment of the contracts using Ethereum wallet.

Web3.py helps you access your Ethereum node from Python. It is web3.js for Python.

Relating to ERC-721, the standard for Non-Fungible Tokens (also known as Deeds)

Solidity events and logging problems. Events allow the convenient usage of the EVM logging facilities, which in turn can be used to “call” JavaScript callbacks in the user interface of a dapp, which l…

Questions relating to application security, safety, trust, and attacks against the Ethereum software stack and blockchain system.

Addresses are the particulars of names, domains or accounts on the blockchain.

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast and scalable network applications.

For questions regarding the installation or use of EthereumJS, a Javascript library that implements a number of Ethereum utility functions.

Developer support questions about Gnosis Safe, a programmable smart contract account to securely manage digital assets.