2024Smart Contract Security
Ethernaut Challenges
A series of smart contract security challenges in the style of a game. Each level is a smart contract that needs to be hacked.
Read articleWeb3 Challenges
Test your knowledge and skills with these hands-on blockchain challenges. From smart contract security to EVM puzzles, there's something for everyone.
2024EVM
EVM Puzzles
A collection of EVM puzzles that help you understand the Ethereum Virtual Machine through hands-on bytecode challenges.
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2024Smart Contract Security
Capture The Ether
A game where you hack Ethereum smart contracts to learn about security. Each challenge requires you to exploit a vulnerable contract.
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2025Smart Contract Security
Damn Vulnerable DeFi
A series of challenges that teach you about the vulnerabilities in DeFi protocols.
Read articleGetting Started
Each challenge series focuses on different aspects of blockchain development and security:
- Ethernaut: Learn about common vulnerabilities and security best practices in smart contracts.
- EVM Puzzles: Deep dive into EVM internals and bytecode manipulation.
- Capture The Ether: Practice exploiting vulnerable contracts in a CTF-style environment.
- Damn Vulnerable DeFi: Master DeFi-specific vulnerabilities and flash loan attacks.