| Date | User | Challenge | Score |
| 0x90 | Euler's Totient | 20 | |
| 0x90 | Public Keys | 15 | |
| Kynthsi577 | Hex | 5 | |
| ThinKing | Sharks on the Wire | 10 | |
| 0x90 | Modular Exponentiation | 10 | |
| Kynthsi577 | ASCII | 5 | |
| alzzz | Symmetry | 50 | |
| Ender_hakeri | Greatest Common Divisor | 15 | |
| oleg_magalyas | RSA Decryption | 20 | |
| oleg_magalyas | Private Keys | 20 | |
| oleg_magalyas | Euler's Totient | 20 | |
| oleg_magalyas | Public Keys | 15 | |
| oleg_magalyas | Modular Exponentiation | 10 | |
| Abdullah350 | XOR Starter | 10 | |
| MrCobblepot | Modular Arithmetic 1 | 20 | |
| MrCobblepot | Extended GCD | 20 | |
| Giovanni2004 | Exceptional Curves | 100 | |
| Larein | Export-grade | 100 | |
| Larein | Parameter Injection | 60 | |
| Larein | Deriving Symmetric Keys | 40 | |
| Larein | Computing Shared Secrets | 30 | |
| ThinKing | Authenticated Handshake | 40 | |
| Larein | Computing Public Values | 25 | |
| Artemis07 | Finding Flags | 2 | |
| Larein | Generators of Groups | 20 | |
| Larein | Working with Fields | 10 | |
| Larein | Modulus Inutilis | 50 | |
| Larein | Salty | 20 | |
| Kynthsi577 | Great Snakes | 3 | |
| Larein | Manyprime | 40 | |
| Larein | Monoprime | 30 | |
| Larein | Factoring | 15 | |
| Larein | RSA Signatures | 25 | |
| Larein | RSA Decryption | 20 | |
| MidoS3d | Megalomaniac 2 | 120 | |
| Larein | Private Keys | 20 | |
| Larein | Euler's Totient | 20 | |
| Larein | Public Keys | 15 | |
| Larein | Modular Exponentiation | 10 | |
| hubi428 | ASCII | 5 | |
| g3k1 | Invariant | 250 | |
| g3k1 | Mixed Up | 120 | |
| Larein | Bean Counter | 60 | |
| Larein | Symmetry | 50 | |
| Kynthsi577 | Finding Flags | 2 | |
| hubi428 | Great Snakes | 3 | |
| Larein | Flipping Cookie | 60 | |
| Larein | ECB CBC WTF | 55 | |
| Larein | ECB Oracle | 60 | |
| hubi428 | Finding Flags | 2 |
You are now level Current level