| Date | User | Challenge | Score |
| fr3nchg4me4 | Bytes and Big Integers | 10 | |
| 0xd3adbe3f | Great Snakes | 3 | |
| 0xd3adbe3f | Finding Flags | 2 | |
| JakobKjellberg02 | XOR Properties | 15 | |
| le0thevip3er | Network Attacks | 5 | |
| dloop | ECB Oracle | 60 | |
| unigifki | Round Keys | 20 | |
| Einstein_mugambi | Hex | 5 | |
| le0thevip3er | Great Snakes | 3 | |
| NitroN | Factoring | 15 | |
| thaggs1066 | Curves and Logs | 40 | |
| le0thevip3er | Finding Flags | 2 | |
| Einstein_mugambi | ASCII | 5 | |
| ShubaDuck | Confusion through Substitution | 25 | |
| MeowSonic | Lemur XOR | 40 | |
| JakobKjellberg02 | XOR Starter | 10 | |
| NitroN | RSA Signatures | 25 | |
| pc417 | Diffusion through Permutation | 30 | |
| mrfonzi | ASCII | 5 | |
| JakobKjellberg02 | Bytes and Big Integers | 10 | |
| mrfonzi | Great Snakes | 3 | |
| NikolinaSr05 | Hex | 5 | |
| mrfonzi | Finding Flags | 2 | |
| junyouzin4209 | Calm Down (HKCERT CTF) | 0 | |
| NikolinaSr05 | ASCII | 5 | |
| Toodaloo868564 | Base64 | 10 | |
| notausername | Jack's Birthday Hash | 20 | |
| notausername | Jack's Birthday Confusion | 30 | |
| ShubaDuck | Keyed Permutations | 5 | |
| 271leni | RSA Signatures | 25 | |
| 271leni | RSA Decryption | 20 | |
| NitroN | RSA Decryption | 20 | |
| Toodaloo868564 | Hex | 5 | |
| 271leni | Private Keys | 20 | |
| Toodaloo868564 | ASCII | 5 | |
| NitroN | Private Keys | 20 | |
| 271leni | Euler's Totient | 20 | |
| Toodaloo868564 | Great Snakes | 3 | |
| pc417 | Confusion through Substitution | 25 | |
| 271leni | Public Keys | 15 | |
| 271leni | Modular Exponentiation | 10 | |
| Toodaloo868564 | Finding Flags | 2 | |
| tui101 | RSA Signatures | 25 | |
| 271leni | Passwords as Keys | 50 | |
| Yufei123456 | One Round Crypto (ECSC 2024 (Italy)) | 0 | |
| Huyyeuthu2104 | Signing Server | 60 | |
| zgc8562 | XOR Starter | 10 | |
| maskmovdqu | Export-grade | 100 | |
| Hunor645 | ASCII | 5 | |
| Hunor645 | Great Snakes | 3 |
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