OpenZeppelin Contracts is a library for secure smart contract development.

Reproduce DeFi hacked incidents using Foundry.

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

Optimized Solidity snippets.

Examples of Solidity security issues

A practical example on how to perform sandwich attacks on Ethereum

Seaport is a marketplace protocol for safely and efficiently buying and selling NFTs.

🦄 🦄 🦄 🦄 Core smart contracts of Uniswap v4

An arbitrage bot between Uniswap AMMs

Learn and contribute by exploring blockchain attacks in detail. Maintained by Coinspect smart contract audit team, renowned for their top-tier smart contract audit services.

To learn common smart contract vulnerabilities using Foundry!

Demystifying Exploitable Bugs in Smart Contracts

weird erc20 tokens

4年打磨-2022年海外一线大厂-以太坊开发教程（a solidity tutorial makes you a dapp expert）WIP

Tutorial for building DeFi arbitrage bots

Simple, intentionally-limited versions of web3 protocols & apps.

Best resources for Solidity gas optimizations ⛽

Collection of smart contracts deployable via thirdweb

Forge Standard Library is a collection of helpful contracts for use with forge and foundry. It leverages forge's cheatcodes to make writing tests easier and faster, while improving the UX of cheatc…

Multicall: Aggregate multiple constant function call results into one

🔑🔑🔑 next generation token approvals mechanism

Smart contracts which are formally verified

Long-tail MEV contracts to claim Otherside land NFTs

Foundry-based template for developing Solidity smart contracts

we do a little bit of mathematics to make a little bit of money

State-of-the-art, highly opinionated, hyper-optimised, and secure 🐍Vyper smart contract building blocks.

Official repository for Paradigm CTF 2021

Damn Vulnerable DeFi - Foundry Version