Skip to main content


A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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
2082 questions
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.
JavaScript is a dynamic, weakly-typed language used for client-side as well as server-side scripting.
Wallets are applications on top of accounts, so called smart contracts, which manage your Ether. There are simple savings wallets or multisignature wallets.
Etherscan is a search engine that allows Ethereum blockchain users to look up, confirm and validate transactions that have taken place on the blockchain.
Questions about NFTs, non-fungible tokens.
1219 questions
Uniswap is a decentralized finance protocol that is used to exchange cryptocurrencies.
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.
1207 questions
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…
1193 questions
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.
1151 questions
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…
1137 questions
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.
1054 questions helps you access your Ethereum node from Python. It is web3.js for Python.
966 questions
Relating to ERC-721, the standard for Non-Fungible Tokens (also known as Deeds)
958 questions
Questions relating to application security, safety, trust, and attacks against the Ethereum software stack and blockchain system.
866 questions
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…
864 questions
Addresses are the particulars of names, domains or accounts on the blockchain.
816 questions
Node.js is a platform built on Chrome's JavaScript runtime for easily building fast and scalable network applications.
802 questions
For questions regarding the installation or use of EthereumJS, a Javascript library that implements a number of Ethereum utility functions.
775 questions
Questions regarding the development of decentralized applications (a.k.a. DApps). This can include everything from frontend development questions to interaction with the blockchain and distributed fil…
765 questions
2 3 4 5