Tornado Cash as a foundry project, using latest versions of tools such as Circom, snarkJS, etc.

Reproduce DeFi hacked incidents using Foundry.

Materials related to security: docs, checklists, processes, etc...

Opinionated security and code quality standard for Solidity smart contracts.

Standard way to simulate governance actions from a timelock, multisig, or DAO.

Parallelized, coverage-guided, mutational Solidity smart contract fuzzing, powered by go-ethereum

Wake is a Python-based Solidity development and testing framework with built-in vulnerability detectors

A summary of 200+ CTF blockchain challenges

SmartBugs: A Framework to Analyze Ethereum Smart Contracts

code423n4.com source code

Merkle Proof Generator and Validator in Solidity

🤖 Smart contracts built on top of Morpho Protocol to enable one-click leverage and strategies

Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood

A Foundry template to compile and test Vyper contracts.

🔑🔑🔑 next generation token approvals mechanism