> For the complete documentation index, see [llms.txt](https://docs.eridian.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.eridian.xyz/ethereum-dev/defi-challenges.md).

# DeFi Challenges

- [Ethernaut](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut.md)
- [Ethernaut - Template](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/ethernaut-template.md)
- [Level 1 - Fallback ⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-1-fallback.md)
- [Level 2 - Fallout ⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-2-fallout.md)
- [Level 3 - Coin Flip ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-3-coin-flip.md)
- [Level 4 - Telephone ⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-4-telephone.md)
- [Level 5 - Token ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-5-token.md)
- [Level 6 - Delegation ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-6-delegation.md)
- [Level 7 - Force ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-7-force.md)
- [Level 8 - Vault ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-8-vault.md)
- [Level 9 - King ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-9-king.md)
- [Level 10 - Re-entrancy ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-10-re-entrancy.md)
- [Level 11 - Elevator ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-11-elevator.md)
- [Level 12 - Privacy ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-12-privacy.md)
- [Level 13 - Gatekeeper 1 ⏺⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-13-gatekeeper-1.md)
- [Level 14 - Gatekeeper 2 ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-14-gatekeeper-2.md)
- [Level 15 - Naught Coin ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-15-naught-coin.md)
- [Level 16 - Preservation ⏺⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-16-preservation.md)
- [Level 17 - Recovery ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-17-recovery.md)
- [Level 18 - Magic Number ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-18-magic-number.md)
- [Level 19 - Alien Codex ⏺⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-19-alien-codex.md)
- [Level 20 - Denial ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-20-denial.md)
- [Level 21 - Shop ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-21-shop.md)
- [Level 22 - Dex ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-22-dex.md)
- [Level 23 - Dex Two ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-23-dex-two.md)
- [Level 24 - Puzzle Wallet ⏺⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-24-puzzle-wallet.md)
- [Level 25 - Motorbike ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-25-motorbike.md)
- [Level 26 - DoubleEntryPoint ⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-26-doubleentrypoint.md)
- [Level 27 - Good Samaritan ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-27-good-samaritan.md)
- [Level 28 - Gatekeeper 3 ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-28-gatekeeper-3.md)
- [Level 29 - Switch ⏺⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-29-switch.md)
- [Level 30 - Higher Order ⏺⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-30-higher-order.md)
- [Level 31 - Stake ⏺⏺⏺](https://docs.eridian.xyz/ethereum-dev/defi-challenges/ethernaut/level-31-stake.md)
- [Damn Vulnerable DeFi](https://docs.eridian.xyz/ethereum-dev/defi-challenges/damn-vulnerable-defi.md)