OpenZeppelin Contracts is a library for secure smart contract development.
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Solidity, the Smart Contract Programming Language
:globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites
- chrome
- extension
- ethereum
- firefox
Solidity contracts implementing hash based post quantum signatures
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
Decentralized Autonomous Regulated Company (DARC), a company virtual machine that runs on any EVM-compatible blockchain, with on-chain law system, multi-level tokens and dividends mechanism.
Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
node of the decentralized oracle network, bridging on and off-chain computation
- chainlink
- ethereum
- blockchain
- golang
Reactive primitives for Ethereum apps
Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more
- python
- docker
- docker-compose
- bitcoin
Source code verification service for Ethereum smart contracts
- verification
- ethereum
- smart-contracts
- solidity
A pure swift Ethereum Web3 library
Sharing Updatable Models (SUM) on Blockchain
- blockchain
- ml
- ai
- economics
Open-source wallet address portrait tool — CLI + demo that profiles on-chain activity, protocol touches, and risk tags
Integrated Ethereum implementation and tool suite focused on Solidity testing and development.
Develop and deploy smart contracts using natural language.
- ai-web3
- web3-agents
- web3-ai
- agents-web3
The easiest way to add Sign-in with Ethereum to your app.
Digital Cash Envelope for the Internet
- blockchain
- cryptowallet
- dapp
- erc20