| Date | User | Challenge | Score |
| zakyy | Transparency | 50 | |
| 4mane | Hex | 5 | |
| Azamath | Modes of Operation Starter | 15 | |
| yourmomhacked | Hex | 5 | |
| T101P | Extended GCD | 20 | |
| zakyy | SSH Keys | 35 | |
| cosminradu2603 | ECB CBC WTF | 55 | |
| cloakwiss | Modular Inverting | 25 | |
| zakyy | CERTainly not | 30 | |
| red_apple_sec | Finding Flags | 2 | |
| yourmomhacked | ASCII | 5 | |
| Heba_Ajjour | RSA Decryption | 20 | |
| HANABI17 | Legendre Symbol | 35 | |
| Heba_Ajjour | Private Keys | 20 | |
| cloakwiss | Modular Arithmetic 2 | 20 | |
| yourmomhacked | Great Snakes | 3 | |
| fd | The Good, The Pad, The Ugly | 100 | |
| fd | Pad Thai | 80 | |
| cloakwiss | Modular Arithmetic 1 | 20 | |
| wiz1106 | Broken RSA | 100 | |
| marcofireball84 | Static Client | 100 | |
| cloakwiss | Extended GCD | 20 | |
| angelinafr | Round Keys | 20 | |
| Azamath | Bringing It All Together | 50 | |
| Heba_Ajjour | Euler's Totient | 20 | |
| zakyy | Privacy-Enhanced Mail? | 25 | |
| fd | The Matrix Reloaded | 100 | |
| zakyy | Modular Inverting | 25 | |
| fd | The Matrix | 75 | |
| fd | Script Kiddie | 70 | |
| fd | Static Client 2 | 120 | |
| fd | Additive | 70 | |
| fd | Static Client | 100 | |
| The_cryptic | Base64 | 10 | |
| fd | Export-grade | 100 | |
| fd | Parameter Injection | 60 | |
| fd | Deriving Symmetric Keys | 40 | |
| fd | Computing Shared Secrets | 30 | |
| fd | Computing Public Values | 25 | |
| fd | Generators of Groups | 20 | |
| angelinafr | Bringing It All Together | 50 | |
| MayfraylTumbali | Chinese Remainder Theorem | 40 | |
| zakyy | Modular Arithmetic 2 | 20 | |
| angelinafr | Confusion through Substitution | 25 | |
| zakyy | Modular Arithmetic 1 | 20 | |
| The_cryptic | Hex | 5 | |
| fd | Working with Fields | 10 | |
| zakyy | Extended GCD | 20 | |
| zakyy | Greatest Common Divisor | 15 | |
| zakyy | Lemur XOR | 40 |
You are now level Current level