🌴 Empowering everyone to build reliable and efficient smart contracts.

OpenZeppelin Contracts is a library for secure smart contract development.

Solidity, the Smart Contract Programming Language

Contracts of the Sismo Badge Minting Protocol

Ultimate Solidity, Blockchain, and Smart Contract - Beginner to Expert Full Course | Python Edition

An open source smart contract platform

WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless apps, embedded functions, microservices, smart contracts, and IoT devices.

Solidity contracts implementing hash based post quantum signatures

Sui, a next-generation smart contract platform with high throughput, low latency, and an asset-oriented programming model powered by the Move programming language

A guide to smart contract security best practices

Listing of community-curated resources to find topical remote freelance & contract work for software developers, web designers, and more!

SuiteCRM - Open source CRM for the world

Pythonic Smart Contract Language for the EVM

🦄 🦄 🦄 Core smart contracts of Uniswap v3

Modern, opinionated, and gas optimized building blocks for smart contract development.

Mythril is a symbolic-execution-based securty analysis tool for EVM bytecode. It detects security vulnerabilities in smart contracts built for Ethereum and other EVM-compatible blockchains.

Corda is an open source blockchain project, designed for business from the start. Only Corda allows you to build interoperable blockchain networks that transact in strict privacy. Corda's smart contract technology allows businesses to transact directly, with value.

A set of abstractions extracted out of the Symfony components

TypeScript Interface for Ethereum

A set of event dispatcher abstractions extracted out of the Symfony components

A compilation of patterns and best practices for the smart contract programming language Solidity

🦄 🦄 Core smart contracts of Uniswap V2

RPC-like client, contract, and server implementation for a pure REST API

Python scripts for ETL (extract, transform and load) jobs for Ethereum blocks, transactions, ERC20 / ERC721 tokens, transfers, receipts, logs, contracts, internal transactions. Data is available in Google BigQuery https://goo.gl/oY5BCQ

Ethereum smart contract fuzzer

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

🔌 TypeScript bindings for Ethereum smart contracts

This is a repository listing companies which offer full-time remote jobs with Spanish contracts

A Python-based development and testing framework for smart contracts targeting the Ethereum Virtual Machine.

A set of service abstractions extracted out of the Symfony components