| Date | User | Challenge | Score |
| g3k1 | Flipping Cookie | 60 | |
| labcoxyzl | Blind (ECSC 2023 (Norway)) | 0 | |
| olexenn | Modular Inverting | 25 | |
| g3k1 | ECB CBC WTF | 55 | |
| MrCobblepot | Quadratic Residues | 25 | |
| sasharudick | Round Keys | 20 | |
| oldchip | Great Snakes | 3 | |
| Heba_Ajjour | Round Keys | 20 | |
| labcoxyzl | Ticket Maestro (CryptoHack) | 0 | |
| Sabrinadewinda | Adrien's Signs | 80 | |
| TinyTicky | XOR Properties | 15 | |
| sasharudick | Structure of AES | 15 | |
| olexenn | Modular Arithmetic 2 | 20 | |
| sasharudick | Resisting Bruteforce | 10 | |
| Sabrinadewinda | Chinese Remainder Theorem | 40 | |
| sasharudick | Keyed Permutations | 5 | |
| AceX987 | Computing Public Values | 25 | |
| AceX987 | Working with Fields | 10 | |
| Sabrinadewinda | Modular Square Root | 35 | |
| labcoxyzl | Smithing contest (ECSC 2024 (Italy)) | 0 | |
| Sabrinadewinda | Legendre Symbol | 35 | |
| Sabrinadewinda | Quadratic Residues | 25 | |
| 0xf5ceff2fd | Token Appreciation | 5 | |
| Giovanni2004 | Elliptic Nodes | 150 | |
| mystyvyy | Bytes and Big Integers | 10 | |
| agnesilaban_ | Bean Counter | 60 | |
| Ter3Sni | ProSign 3 | 100 | |
| Sabrinadewinda | Modular Arithmetic 2 | 20 | |
| Heba_Ajjour | Structure of AES | 15 | |
| Sabrinadewinda | Modular Arithmetic 1 | 20 | |
| Sabrinadewinda | Extended GCD | 20 | |
| TinyTicky | XOR Starter | 10 | |
| agnesilaban_ | Confusion through Substitution | 25 | |
| Sabrinadewinda | Greatest Common Divisor | 15 | |
| 0xf5ceff2fd | Resisting Bruteforce | 10 | |
| TinyTicky | Bytes and Big Integers | 10 | |
| labcoxyzl | One Round Crypto (ECSC 2024 (Italy)) | 0 | |
| wiz1106 | Pad Thai | 80 | |
| g3k1 | The Good, The Pad, The Ugly | 100 | |
| Sabrinadewinda | XOR Properties | 15 | |
| TinyTicky | Base64 | 10 | |
| EmmanuelGoldberg | Mixed Up | 120 | |
| Grupo07MA | Everything is Big | 70 | |
| TinyTicky | Hex | 5 | |
| 0xf5ceff2fd | Keyed Permutations | 5 | |
| Sabrinadewinda | XOR Starter | 10 | |
| TinyTicky | ASCII | 5 | |
| agnesilaban_ | Quadratic Residues | 25 | |
| TinyTicky | Great Snakes | 3 | |
| MrCobblepot | Modular Inverting | 25 |
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