#smart-contract CTF challenges
9 CTF challenges using smart-contract from 5 CTFs (2023–2026), 9 with writeups. Mostly Blockchain (44%) and Misc (33%).
Blockchain · 4 Misc · 3 Pwn · 2
Often combined with
#token-economy-logic-flaw 1 #erc20 1 #fee-on-transfer 1 #transfer-root-spoofing 1 #cross-chain-bridge 1 #private-storage-read 1 #merkle-proof 1 #flash-loan 1 #reentrancy 1 #arbitrary-storage-write 1 #storage-collision 1 #etherscan 1 #pcap 1 #irc 1 #storage-read 1
Challenges
Filter and sort these in the challenge browser →
| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| infinite | CrewCTF 2023 | 20.33 | Blockchain | files wu 3 |
| Pigeon_Bank | SEETF 2023 | – | Blockchain | files wu 3 |
| Murky_SEEPass | SEETF 2023 | – | Blockchain | files wu 3 |
| Blockchain_Re_Remix | SekaiCTF 2023 | 24.86 | Misc | files wu 3 |
| Grains_of_Sand | Paradigm 2023 | 25.00 | Pwn | files wu 3 |
| Hopping_into_Place | Paradigm 2023 | 25.00 | Pwn | files wu 3 |
| PP_Farming_2 | SekaiCTF 2026 | 79.25 | Blockchain | files wu 1 |
| Mafia_at_the_end_2 | PwnMe 2025 Quals | 24.95 | Misc | files wu 1 |
| Mafia_at_the_end_1 | PwnMe 2025 Quals | 24.95 | Misc | files wu 1 |