| Date | User | Challenge | Score |
| hoo | Finding Flags | 2 | |
| kuripuri | Round Keys | 20 | |
| hack_rat | XOR Properties | 15 | |
| alright | Montgomery's Ladder | 40 | |
| hack_rat | XOR Starter | 10 | |
| Wch12 | XOR Properties | 15 | |
| Kran | Unencryptable | 125 | |
| alright | Efficient Exchange | 50 | |
| kuripuri | Structure of AES | 15 | |
| hack_rat | Bytes and Big Integers | 10 | |
| Dantealiguieri | XOR Starter | 10 | |
| hack_rat | Base64 | 10 | |
| hack_rat | Hex | 5 | |
| hack_rat | ASCII | 5 | |
| Dantealiguieri | Bytes and Big Integers | 10 | |
| hack_rat | Great Snakes | 3 | |
| Doanhdz | Modular Inverting | 25 | |
| Doanhdz | Modular Arithmetic 2 | 20 | |
| hack_rat | Finding Flags | 2 | |
| unixkarma | Modular Inverting | 25 | |
| kuripuri | Resisting Bruteforce | 10 | |
| unixkarma | Modular Arithmetic 2 | 20 | |
| unixkarma | Modular Arithmetic 1 | 20 | |
| aryma | Sharks on the Wire | 10 | |
| aryma | Secure Protocols | 5 | |
| aryma | RSA or HMAC? Part 2 | 100 | |
| kuripuri | Keyed Permutations | 5 | |
| lehoangthi | Finding Flags | 2 | |
| Monyty | Greatest Common Divisor | 15 | |
| sundul969 | RSATogether (ECSC 2024 (Italy)) | 0 | |
| Tejet | Hex | 5 | |
| sniperspade | XOR Starter | 10 | |
| 84544a | Finding Flags | 2 | |
| GreenTea_CMD | Efficient Exchange | 50 | |
| aryma | JSON in JSON | 40 | |
| enigmaX | Hex | 5 | |
| GreenTea_CMD | Curves and Logs | 40 | |
| enigmaX | ASCII | 5 | |
| sundul969 | Leet Universe (ImaginaryCTF (Daily)) | 0 | |
| Kryptek | Base64 | 10 | |
| manuelgonzalezmo | Bytes and Big Integers | 10 | |
| Kryptek | Hex | 5 | |
| Sweaz | XOR Properties | 15 | |
| Kryptek | ASCII | 5 | |
| manuelgonzalezmo | Base64 | 10 | |
| Gouvernour | Finding Flags | 2 | |
| Kryptek | Great Snakes | 3 | |
| Kryptek | Finding Flags | 2 | |
| manuelgonzalezmo | Hex | 5 | |
| manuelgonzalezmo | ASCII | 5 |
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