Top 373 smart-contracts open source projects

A Collection of Vulnerabilities in ERC20 Smart Contracts With Tokens Affected

Python-based EOS smart-contract development & testing framework

<블록체인의 정석>, <하이퍼레저 블록체인 개발> 소스코드 및 참고자료 저장소

Ethereum smart contract transaction input data decoder

Elegant Web3js functionality in Swift. Native ABI parsing and smart contract interactions.

🌱 Construct Merkle Trees and verify proofs in JavaScript.

Remix is a browser-based compiler and IDE that enables users to build Ethereum contracts with Solidity language and to debug transactions.

The Flint Programming Language for Smart Contracts

Write once, run forever. Deploy robust, scalable, decentralized WebAssembly applications on Wavelet.

Blockchain and Crytocurrency Resources

Create an ERC20 Token for FREE in less than a minute with the most used Smart Contract Generator for ERC20 Token. No login. No setup. No coding required.

Smart Contract Weakness Classification and Test Cases

Enterprise-ready blockchain platform

Hyperledger Fabric Contract and Chaincode implementation for Java https://wiki.hyperledger.org/display/fabric

Scilla - A Smart Contract Intermediate Level Language

First version of go-MATRIX, especially for TPS optimization and AI

A curated collection of resources on smart contract programming languages

Dock governance proposals and smart contract

Programming toolkit for building Hyperledger Fabric Golang on-chain (chaincode) and off-chain applications

The Decentralized Application Security Project

Cadence, the resource-oriented smart contract programming language 🏃‍♂️

Tutorial on writing smart contracts on EOS EOS智能合约教程,从零开始学习EOS智能合约, DApp安全漏洞(security)及攻击实践(EOS Contract)(Powered by Itleaks)

Ethereum smart contracts that have been used during successful ICOs

Stacks ecosystem overview.

🎛 Set Protocol Smart Contracts

eBitcoin (eBTC) is an ERC20 token. Its primary utility is to provide an easy & fast payment solution. Its edge over other tokens is that it is capable of sending up to 255 payments in a single transaction.

Smart Contract Systems the easy way. Open source development framework.

The protocol for real-time finance on the Ethereum blockchain

A SDK for implementing blockchain-based digital currencies

Flow is a fast, secure, and developer-friendly blockchain built to support the next generation of games, apps, and the digital assets that power them 🌊

A high-level language for Dune Network (and Tezos) with OCaml and ReasonML syntaxes, with a decompiler from Michelson

An open-source Crypto-Currency exchange. Peatio v3.0 Coming Soon !

The Non-Fungible Token standard on the Flow Blockchain

Blockchain Books

🛠️ A smart contract UI for your Ethereum dapp project

Smart Contracts for the Status Contribution Period, along with Genesis and Network Tokens

A series of notes that were taken during the ConsenSys Academy program.

CLI tool for Smart Contract error tracking, monitoring and alerting.

An advanced Ethereum mobile wallet

Tools for building browser applications on Flow 🌊

An up to date and bare minimum tutorial on deploying smart contracts with python

Hashed Timelock Contracts for ETH, ERC20 and ERC721 on Ethereum

Security analysis tool for EVM bytecode. Supports smart contracts built for Ethereum, Hedera, Quorum, Vechain, Roostock, Tron and other EVM-compatible blockchains.

Security issues in Ethereum demonstrated in mocha tests. The fix is also demonstrated

General interoperability framework for trustless cross-system interaction

Documentation for Remix IDE

Smart Contracts and web app for district0x contribution

Cryptocurrency study materials resources

Performant and Confidentiality-Preserving Smart Contracts + Blockchains

Ethereum Smart Contracts Security CheckList From Knownsec 404 Team

A curated list of awesome Solidity resources

EDEN - EDN Smart Token & Smart Contracts

The Language for Smart Legal Contracts

A tool for developing smart contracts. Crafted with the finest cacaos.

A repo full of smart contracts written in Solidity

A set of reusable smart-contracts

Seriality is a library for serializing and de-serializing all the Solidity types in a very efficient way which mostly written in solidity-assembly

Town Crier: an Authenticated Data Feeds for Smart Contracts