Ethereum Commonwealth Security Department conducted over 400 security audits since 2018. Not even a single contract that we audited was hacked. You can access our audit reports in the ISSUES of this repo. We are accepting new audit requests.

The purpose of this repo is to list all the related Research Papers focused on Smart-contracts security topics. As well as listing all the encountered smart-contracts defects with a summary description. 🛡️

🛡️ Ghosts is a free smart contract security study and revision platform. Initially based solely on previous Secureum Races to wit we use all of the previous race content and simulate an engaging, incentivized learning platform for aspiring smart contract security researchers.

An awesome list of gas optimization techniques for smart contracts, with their relevant Proof of Concepts tested using Foundry.

Echidna, Etheno, and HardHat template for fuzzing complex systems.

Original TheDAO reworked by a team of security experts to act as a core governance system for Callisto.

This repository contains some notes on popular Smart Contract attacks and security concepts.

Simple Simulations of past DeFi Smart Contract Hacks. And these are the codes that i pushed while learning smart contract security.

Getting into web3 - Blockchains | Smart Contracts | NFTs | Stablecoins | DAOs | Upgradable Contracts | Security and Auditing

ethereum automation

Capture The Ether! 📚🔓

Decentralized Raffle System is an Ethereum-based smart contract developed in Solidity that enables users to purchase raffle tickets. Organizers can randomly draw a winner, who can then withdraw the total collected Ether.

🔄 Section 5: Invariants & Intro to DeFi | TSwap Audit

DAMN VULNERABLE DEFI CTF Solutions ✨

The repository contains solutions to Smart Contract Security challenges. These solutions are aimed at addressing and mitigating potential security vulnerabilities in smart contracts, enhancing the overall security and robustness of blockchain-based applications.

Ethernaut solutions and detailed write-ups in Foundry.

Solution of Mr Steal Yo Crypto challenges using Foundry

"Damn Vulnerable Defi" CTF solutions using Foundry

My attempt at Ethernaut CTF solutions. Written using Foundry.

An automated audit of an NFT marketplace contract with Slither, Echidna and Solhint