OpenZeppelin Contracts is a library for secure smart contract development.

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

🦄 🦄 🦄 🦄 Core smart contracts of Uniswap v4

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

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.

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

🦄 🦄 🦄 🦄 Peripheral smart contracts for interacting with Uniswap v4

Official repository for Paradigm CTF 2021

The Ethereum Request for Comment repository

An experimental decentralized art factory by Justin Roiland and Paradigm.

Open-Source Libraries for Solidity by ABDK Consulting

Implementation of the Farcaster contracts

Solidity gotchas, pitfalls, limitations, and idiosyncrasies.

A protocol for private on-chain voting, implemented in Solidity.

Open-Sourced Turkish Smart Contract Developer Bootcamp by ITU Blockchain

P256 signature verification solidity contract

Secure randomness for Ethereum's execution layer via SNARKs and RANDAO.

Counterfactual revocable-delegation

Extension for zk succinct non-interactive ownership proofs.

This standard extend ERC1155, make NFTs can be transfer, upgrade, modify, and level up

NFT attribute extension protocol