| Date | User | Challenge | Score |
| KiraYoshi | Bytes and Big Integers | 10 | |
| Romyna | unrandom DSA (HackTM CTF) | 0 | |
| matheus_8789142 | Private Keys | 20 | |
| ffotm | No Way JOSE | 20 | |
| iliap | Saying Hello | 20 | |
| rolandomansour | XOR Starter | 10 | |
| matheus_8789142 | Euler's Totient | 20 | |
| iliap | TLS Handshake | 15 | |
| KiraYoshi | Base64 | 10 | |
| madaraasenpai | You either know, XOR you don't | 30 | |
| KiraYoshi | Hex | 5 | |
| rolandomansour | Bytes and Big Integers | 10 | |
| blancojacopo | Finding Flags | 2 | |
| rolandomansour | Base64 | 10 | |
| KiraYoshi | ASCII | 5 | |
| rolandomansour | Hex | 5 | |
| barnus | Favourite byte | 20 | |
| 0X1GHOST | Encoding Challenge | 40 | |
| rolandomansour | ASCII | 5 | |
| matheus_8789142 | Public Keys | 15 | |
| rolandomansour | Great Snakes | 3 | |
| saeep | Great Snakes | 3 | |
| KiraYoshi | Great Snakes | 3 | |
| rolandomansour | Finding Flags | 2 | |
| saeep | Finding Flags | 2 | |
| KiraYoshi | Finding Flags | 2 | |
| Osama_189 | Favourite byte | 20 | |
| pebg | Base64 | 10 | |
| pebg | Hex | 5 | |
| groktopus | Encoding Challenge | 40 | |
| crybabycomando | XOR Starter | 10 | |
| Kitsuu | XOR Starter | 10 | |
| Eliud_O | Quadratic Residues | 25 | |
| pebg | ASCII | 5 | |
| crybabycomando | Bytes and Big Integers | 10 | |
| Sacia | Quadratic Residues | 25 | |
| osihlovec | Bad Temper 2 | 150 | |
| khairron | Special Soundness | 25 | |
| Eliud_O | Modular Inverting | 25 | |
| Eliud_O | Modular Arithmetic 2 | 20 | |
| Sacia | Modular Inverting | 25 | |
| pebg | Great Snakes | 3 | |
| NimaSon | XOR Starter | 10 | |
| Eliud_O | Modular Arithmetic 1 | 20 | |
| NimaSon | Bytes and Big Integers | 10 | |
| pebg | Finding Flags | 2 | |
| NimaSon | Base64 | 10 | |
| crybabycomando | Base64 | 10 | |
| NimaSon | Hex | 5 | |
| Sacia | Modular Arithmetic 2 | 20 |
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