Detailed writeups of blockchain and smart contract CTF challenges.
- Ethernaut — OpenZeppelin CTF
- Damn Vulnerable DeFi — DeFi attack challenges
- CaptureTheEther — Ethereum security challenges
| Challenge | Platform | Category | Difficulty |
|---|---|---|---|
| Reentrancy | Ethernaut | Reentrancy | Medium |
| Flash Loan | DVDF | DeFi | Hard |
| Token Overflow | CTE | Arithmetic | Easy |
ethernaut/
dvdf/
capture-the-ether/
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