OpenZeppelin Contracts is a library for secure smart contract development.

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

Demystifying Exploitable Bugs in Smart Contracts

🎚 Peripheral smart contracts for interacting with Uniswap V2

The reference implementation of the ERC-721 non-fungible token standard.

A collection of helpful contracts and libraries for use with Forge and Foundry

A simple NFT smart contract that works with the rest of the HashLips ecosystem.

Smart contracts which are formally verified

Contracts of EigenLayer

Enzyme Protocol Implementation

Hardhat plugin to deploy your smart contracts across multiple EVM chains with the same deterministic address.

Open-Source Libraries for Solidity by ABDK Consulting

Kleros smart contracts

Assertions, equality checks and other test helpers

Open-source NFT contracts used by Buildship

Party Protocol is an open protocol for on-chain group coordination.

An example to help you get started with The Graph

LI.FI Smart Contracts

Staging repo for MakerDAO weekly executive spells

Smart Contracts for Celer State Guardian Network (SGN) V2 and cBridge V2

Contains the Contracts for the Yearn V3 Tokenized Strategy Implementation

Workshop about the different types of reentrancy attacks

Carbon is a fully decentralized protocol for automating on-chain trading strategies.

Core contracts for Hats Protocol v1

Spells for Spark Protocol

Quests Protocol is a protocol to distribute token rewards for completing on-chain tasks.

exactly is a decentralized, non-custodial and autonomous marketplace for depositing and borrowing crypto assets at a variable or fixed interest rate.

Solidity Programming Essentials, Second Edition, published by Packt