OpenZeppelin Contracts is a library for secure smart contract development.

Reproduce DeFi hacked incidents using Foundry.

Dapp learning project for developers at all stages. Becoming and cultivating sovereign individuals. Nonprofit organization.

Optimized Solidity snippets.

Guidelines and training material to write secure smart contracts

🦄 🦄 🦄 🦄 Core smart contracts of Uniswap v4

Examples of Solidity security issues

An Omnichain Interoperability Protocol

Tutorial for building DeFi arbitrage bots

Best resources for Solidity gas optimizations ⛽

Basic string utilities for Solidity

Multicall: Aggregate multiple constant function call results into one

Multicall: Aggregate multiple constant function call results into one

🔑🔑🔑 next generation token approvals mechanism

Example arbitrage trading bot

Solidity smart contracts of CodeforDAO

Smart Contracts for Argent Wallet

Foundry-based template for developing Solidity smart contracts

On chain interactive fault prover for Ethereum

Utility Solidity library composed of basic operations for tightly packed bytes arrays

Smart Contract Submodule For zkSync Era

An experimental decentralized art factory by Justin Roiland and Paradigm.

Implementation of the Farcaster contracts

A zkRollup DEX & Payment Protocol

Polygon zkEVM Smart Contracts

Variable Rate Gradual Dutch Auctions.

core contract of eip 4337 implementation

Comparison of flash loan solutions on Ethereum