Top 373 smart-contracts open source projects

🐦🌴🌴🌴🦕 A home for ethereum smart contracts. 🏠

The fastest crypto online

Example game leaderboard dApp utilizing EbakusDB on Ebakus blockchain

Collection of papers in the field of distributed systems, game theory, cryptography, cryptoeconomics, zero knowledge

Mirror of the release branches for Tezos, a self-amending cryptographic ledger

A Smart Way to Operate Smart Contracts on EVM Based Blockchains like Ethereum

Official Rust implementation of the Purple Protocol

The Responsible Initial Coin Offering Framework

🚀基于区块链的房地产交易系统小模型。提供销售和捐赠功能。本项目使用Hyperledger Fabric构建区块链网络, go编写智能合约，应用层使用gin+fabric-sdk-go调用合约。前端展示使用vue+element。体验地址：http://blockchain.togettoyou.com/web

Supply chain management on blockchain using Angular 4 + Truffle + IPFS + Ethereum

Run an Ethereum node (Geth or Openethereum) for development

Implementation of coffee supplychain using ethereum smart contract addressing the issue of storing critical data necessary at different stages of supplychain and making it verifiable by all stakeholders in supplychain.

Flow Playground front-end app 🤹‍♂️

Ethereum smart contracts for security and utility tokens

IZZZIO - Fully customizable blockchain platform | Node

Robonomics network infrastructure based on Ethereum Blockchain.

🎉 ICO Contracts of the ALIS.

The Shared Royalty Non-Fungible Token (a.k.a Bootleg) is an open source project started by the ConsenSys Web3Studio team. The purpose of the Shared Royalty Non-Fungible Token (SRNFT) is to make any royalty business model, from the oil and gas industry to entertainment, easy to manage with the Ethereum blockchain .

A simple and decentralized protocol for flash loan. https://t.me/Uniflash

Scribble instrumentation tool

Tested Ethereum ICO Contract for Token Crowdsales

Formerly Linnia-Smart-Contracts

⛓ Dev Protocol is an open source middleware for creator's sustainability.

⛓️ Reference Waves Blockchain Node (client) implementation on Scala

This has been moved to https://github.com/ethereum/remix-project

Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood

HomeWork is an autonomous utility for finding, sharing and reusing home addresses for contracts.

A solidity preprocessor and flattener CLI and library

🔐 Ethereum smart contracts developed for the Hanzo Platform.

Mortgage Processing App using Hyperledger Fabric Blockchain. Uses channels for privacy and access, and restricts read/write previleges through endorsement policies

Code base for "Learn Solidity: Programming Language for Ethereum Smart Contracts" course in Tosh Academy & Blockchain Council

Cryptozombies for Vyper: Learn Vyper by building games!

The Hifi fixed-rate, fixed-term lending protocol

Simple example of token market. Based on blockchain technology using Ethereum platform.

Stellar contract examples and components

Designed to represent a fungible asset as an ERC777 token

Smart contracts for creating Daox-based fundraising organization

A repo with information about security of Ethereum Smart Contracts

MOVED

CLI Tool to List & Store Solidity Smart Contract Methods Attributes

Augmint Web Frontend

精通以太坊 （中文版）

smart contracts which are built on ethereum wallet mist,truffle compiler using solidity language.

Sustain Ethereum Together

gDAI - Gas less DAI transfers by using GSN, Fulcrum and KyberNetwork

æternity: solving scalability problems by making sense of state-channels

🎛 Core smart contracts of Uniswap V2

a light javascript library to interact with the Steem Smart Contracts Sidechain

Decentralized Social Media Overlay

An Ethereum dApp for posting social events.

An Analysis Tool for Smart Contracts

📖 A little book on Ethereum Development with Go (golang)

Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software. Get Solidity stack traces & console.log.

(Formerly Solium) Code quality & Security Linter for Solidity

A blockchain platform with a simplified programming language

Ethereum smart contract fuzzer

Skycoin Core and Wallet

Ethereum contract for Bitcoin SPV: Live on https://etherscan.io/address/0x41f274c0023f83391de4e0733c609df5a124c3d4

Official Go implementation of the IOST blockchain

A php interface for interacting with the Ethereum blockchain and ecosystem. Native ABI parsing and smart contract interactions.