A Thorough Ethernaut Writeup. Access Control Level 1. Fallback Level 15. Naught Coin Level 17. Recovery Bad Source of Randomness Level 3. Coin Delegation Level 6. Delegation Level 16. Preservation Level 24. Puzzle Wallet Level 25. Motorbike DoS Level 9. King Level 20. Denial Forcily Sending Ethers Level 7. Force Historic Attack (Outdated Compiler Version) Level 2. Fallout Level 5. Token Level 19. Alien Codex Level 30. HigherOrder Input Validation Level 23. Dex Two Level 26. DoubleEntryPoint Level 29. Switch Level 32. Impersonator Interface Misbehavior Level 11. Elevator Level 21. Shop Level 27. Good Samaritan Lack of Consideration in Interacting Parties Level 4. Telephone Level 9. King Level 28. Gatekeeper Three On-chain Unencrypted Private Data Level 8. Vault Level 12. Privacy Level 28. Gatekeeper Three Overflow / Underflow Level 5. Token Level 19. Alien Codex Level 33. Magic Carousel Precision Loss Level 22. Dex Re-entrancy Level 10. Re-entrancy Level 20. Denial Risky Code Size Check Level 14. Gatekeeper Two Signature Malleability Level 32. Impersonator Storage-related Issues Level 6. Delegation Level 16. Preservation Level 19. Alien Codex Level 24. Puzzle Wallet Level 25. Motorbike Level 33. Magic Carousel tx.origin Related Issues Level 4. Telephone Level 13. Gatekeeper One Level 14. Gatekeeper Two Level 28. Gatekeeper Three Typecasting Level 13. Gatekeeper One Typo Level 2. Fallout Unchecked Return Values Level 20. Denial Level 31. Stake