Damn Vulnerable DeFi is the war game created by @tinchoabbate to learn offensive security of DeFi smart contracts. Throughout numerous challenges, you will build the skills to become a bug hunter or security auditor in the space. Challenge #11 — Backdoor To incentivize the creation of more secure wallets in their team, someone has…

ΞthernautDAO is common goods DAO aimed at transforming developers into Ethereum developers. They started releasing CTF challenges on Twitter, so how couldn’t I start solving them? CTF 9: EtherWallet The challenge start from this Tweet: In this challenge, we need to exploit an ERC721 token called EtherWallet. …

ΞthernautDAO is common goods DAO aimed at transforming developers into Ethereum developers. They started releasing CTF challenges on Twitter, so how couldn’t I start solving them? CTF 8: Vulnerable NFT The challenge start from this Tweet: In this challenge, we need to exploit an ERC721 token called VNFT (Vulnerable NFT). The goal of…

ΞthernautDAO is common goods DAO aimed at transforming developers into Ethereum developers. They started releasing CTF challenges on Twitter, so how couldn’t I start solving them? CTF 7: Switch The challenge start from this Tweet: For this challenge, we have to deal only with a single Smart Contract called Switch. The goal…

This is Part 23 of the “Let’s play OpenZeppelin Ethernaut CTF” series, where I will explain how to solve each challenge. The Ethernaut is a Web3/Solidity based wargame created by OpenZeppelin. Each level is a smart contract that needs to be ‘hacked’. The game acts both as a tool for…

This is Part 23 of the “Let’s play OpenZeppelin Ethernaut CTF” series, where I will explain how to solve each challenge. The Ethernaut is a Web3/Solidity based wargame created by OpenZeppelin. Each level is a smart contract that needs to be ‘hacked’. The game acts both as a tool for…

Damn Vulnerable DeFi is the war game created by @tinchoabbate to learn offensive security of DeFi smart contracts. Throughout numerous challenges, you will build the skills to become a bug hunter or security auditor in the space. Each challenge can be considered standalone. Depending on the challenge, you should either…

This is Part 22 of the “Let’s play OpenZeppelin Ethernaut CTF” series, where I will explain how to solve each challenge. The Ethernaut is a Web3/Solidity based wargame created by OpenZeppelin. Each level is a smart contract that needs to be ‘hacked’. The game acts both as a tool for…

This is Part 21 of the “Let’s play OpenZeppelin Ethernaut CTF” series, where I will explain how to solve each challenge. The Ethernaut is a Web3/Solidity based wargame created by OpenZeppelin. Each level is a smart contract that needs to be ‘hacked’. The game acts both as a tool for…