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

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

Build your first app on Optimism!

🦄 Gasless ERC20 swap settlement protocol 🦄

Pre-built security properties for common Ethereum operations

Streamlined template for getting started with Foundry and Solmate.

Walkthroughs to leverage Odyssey's features from the future.

Hacxyk Lab -- A sandboxed playground to exploit Ethereum contracts on a mainnet fork

efficient libraries for working with min-heaps in solidity