| Date | User | Challenge | Score |
| Shr0ud | Structure of AES | 15 | |
| ndgsghdj | Working with Fields | 10 | |
| Alfa3 | Finding Flags | 2 | |
| ndgsghdj | Modular Binomials | 80 | |
| leech1996 | Modular Square Root | 35 | |
| specialOps | RSA Decryption | 20 | |
| JEREMY_THE_GOAT | Great Snakes | 3 | |
| specialOps | Private Keys | 20 | |
| JEREMY_THE_GOAT | Finding Flags | 2 | |
| leech1996 | Legendre Symbol | 35 | |
| suvoni | Let's Decrypt Again | 175 | |
| mmd1hp | CERTainly not | 30 | |
| mmd1hp | Privacy-Enhanced Mail? | 25 | |
| Ironipad64 | Finding Flags | 2 | |
| MohammedAlanazi | Finding Flags | 2 | |
| CongMinh | Triple DES | 60 | |
| d4pr0 | Image Point Arithmetic | 30 | |
| nightbot | Modular Inverting | 25 | |
| mojitodev | Greatest Common Divisor | 15 | |
| HungryKelvin123 | XOR Starter | 10 | |
| ranprag | Great Snakes | 3 | |
| ranprag | Finding Flags | 2 | |
| HungryKelvin123 | Bytes and Big Integers | 10 | |
| d4pr0 | The j-invariant | 20 | |
| mmd1hp | Modular Exponentiation | 10 | |
| valh4x | No Random, No Bias | 120 | |
| HarveyTucker | Euler's Totient | 20 | |
| HarveyTucker | Public Keys | 15 | |
| HarveyTucker | Modular Exponentiation | 10 | |
| HarveyTucker | Resisting Bruteforce | 10 | |
| HarveyTucker | Keyed Permutations | 5 | |
| valh4x | Double and Broken | 50 | |
| HungryKelvin123 | Base64 | 10 | |
| HungryKelvin123 | Hex | 5 | |
| HungryKelvin123 | ASCII | 5 | |
| gorogoro | Everything is Big | 70 | |
| HungryKelvin123 | Great Snakes | 3 | |
| HungryKelvin123 | Finding Flags | 2 | |
| valh4x | Edwards Goes Degenerate | 100 | |
| valh4x | Checkpoint | 150 | |
| valh4x | A Twisted Mind | 80 | |
| mmd1hp | RSA Decryption | 20 | |
| mmd1hp | Private Keys | 20 | |
| Unactive | Ticket Maestro | 200 | |
| I6nat1us_2011 | Structure of AES | 15 | |
| Unactive | Ticket Maestro (CryptoHack) | 0 | |
| tr3pi0l | XOR Starter | 10 | |
| Koro_Gomi | Finding Flags | 2 | |
| kosynus | Modular Square Root | 35 | |
| 0xMrB34rd | Marin's Secrets | 50 |
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