| Date | User | Challenge | Score |
| gll | Hex | 5 | |
| nnonick | Extended GCD | 20 | |
| gll | ASCII | 5 | |
| emvi | Finding Flags | 2 | |
| Mikulas | An Exceptional Twisted Mind | 125 | |
| Mikulas | A Twisted Mind | 80 | |
| Htet | Authentification 2 (Breizh CTF) | 0 | |
| just_on | Hex | 5 | |
| Htet | Authentification 1 (Breizh CTF) | 0 | |
| ashayeb | XOR Starter | 10 | |
| MEDWS | XOR Starter | 10 | |
| SlavicViper | Modular Square Root | 35 | |
| Mario49384839388 | Finding Flags | 2 | |
| rakshitkolawada | Base64 | 10 | |
| just_on | ASCII | 5 | |
| OrestisL | Modular Inverting | 25 | |
| just_on | Great Snakes | 3 | |
| supersecretname | Round Keys | 20 | |
| OrestisL | Modular Arithmetic 2 | 20 | |
| Htet | U-turn (Breizh CTF) | 0 | |
| just_on | Finding Flags | 2 | |
| Mikulas | Moving Problems | 150 | |
| Htet | No Leaks | 100 | |
| ntnuw | Vectors | 10 | |
| rakshitkolawada | Hex | 5 | |
| minicee | ASCII | 5 | |
| EinsteinOgamba | Modular Binomials | 80 | |
| supersecretname | Structure of AES | 15 | |
| rakshitkolawada | ASCII | 5 | |
| SlavicViper | Legendre Symbol | 35 | |
| minicee | Great Snakes | 3 | |
| rakshitkolawada | Great Snakes | 3 | |
| ntnuw | Saying Hello | 20 | |
| ntnuw | TLS Handshake | 15 | |
| Chtupv_22 | Diffusion through Permutation | 30 | |
| rakshitkolawada | Finding Flags | 2 | |
| ABRAHAM_KILWAKE | Modular Binomials | 80 | |
| Mikulas | Elliptic Nodes | 150 | |
| 190230 | Quadratic Residues | 25 | |
| sociopath | Flipping Cookie | 60 | |
| byxlopoqpul | Monoprime | 30 | |
| ABRAHAM_KILWAKE | Adrien's Signs | 80 | |
| ABRAHAM_KILWAKE | Chinese Remainder Theorem | 40 | |
| ABRAHAM_KILWAKE | Modular Square Root | 35 | |
| Comsec | Modular Binomials | 80 | |
| ABRAHAM_KILWAKE | Legendre Symbol | 35 | |
| sociopath | ECB CBC WTF | 55 | |
| Isabela | Bringing It All Together | 50 | |
| Mikulas | Micro Transmissions | 120 | |
| stacymwangi | Modular Binomials | 80 |
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