Ethernaut Solutions (Web3 Security)# Ethernaut Solutions — Web3 Security

Solutions to the Ethernaut CTF by OpenZeppelin — a hands-on platform for learning smart contract security through real vulnerabilities.

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About

Ethernaut is a war game that teaches Ethereum smart contract security through practical challenges.

This repository documents:

• Solutions to each level using Foundry
• Exploit scripts with documented methodology
• Vulnerability breakdowns from first principles
• Real-world attack patterns and their implications

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Tech Stack

• Solidity
• Foundry (Forge)
• EVM (Opcodes, Storage, Memory)
• Git & GitHub

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Project Structure

├── src/        # Challenge contracts
├── script/     # Exploit scripts (Foundry)
├── lib/        # Dependencies (forge-std, OpenZeppelin)
├── foundry.toml
└── README.md

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How to Run

forge build

forge script script/<LevelSolution>.s.sol \
  --rpc-url <RPC_URL> \
  --private-key <PRIVATE_KEY> \
  --broadcast \
  --tc <ContractName> -vvvv

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Disclaimer

This repository is for educational purposes only. All exploits are performed on CTF environments.

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Connect

Open to conversations on Web3 security, smart contract auditing, and CTFs.

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