| Date | User | Challenge | Score |
| JonZ | ASCII | 5 | |
| Andoni92 | Finding Flags | 2 | |
| AsierRM | Great Snakes | 3 | |
| cryogas | Passwords as Keys | 50 | |
| Vanquishlynx | Keyed Permutations | 5 | |
| HmmTrashCrypto | Great Snakes | 3 | |
| siancec | Privacy-Enhanced Mail? | 25 | |
| JonZ | Great Snakes | 3 | |
| AsierRM | Finding Flags | 2 | |
| siancec | Lemur XOR | 40 | |
| HmmTrashCrypto | Finding Flags | 2 | |
| Aceproulx | Bytes and Big Integers | 10 | |
| Hambr | Finding Flags | 2 | |
| Boseeey | ASCII | 5 | |
| thinhh0x1l | Extended GCD | 20 | |
| Karthick2601 | Hex | 5 | |
| gwpro | Bespoke Padding | 100 | |
| Konstantinos_Ch | Privacy-Enhanced Mail? | 25 | |
| Karthick2601 | ASCII | 5 | |
| kucbpipa | You either know, XOR you don't | 30 | |
| tanzung | Diffusion through Permutation | 30 | |
| Karthick2601 | Finding Flags | 2 | |
| vobik | Bytes and Big Integers | 10 | |
| JonZ | Finding Flags | 2 | |
| AceGloryTv | ASCII | 5 | |
| vobik | Base64 | 10 | |
| Konstantinos_Ch | JSON in JSON | 40 | |
| AceGloryTv | Great Snakes | 3 | |
| ttttt | Great Snakes | 3 | |
| Aceproulx | Base64 | 10 | |
| tanzung | Confusion through Substitution | 25 | |
| karenpink | TLS Handshake | 15 | |
| vobik | Hex | 5 | |
| Aster_666 | Legendre Symbol | 35 | |
| kucbpipa | Favourite byte | 20 | |
| AceGloryTv | Finding Flags | 2 | |
| Aceproulx | Hex | 5 | |
| vobik | ASCII | 5 | |
| Javas | Hex | 5 | |
| kefo | Hex | 5 | |
| EnesCeliks | Base64 | 10 | |
| kefo | ASCII | 5 | |
| Javas | ASCII | 5 | |
| gefovo | ASCII | 5 | |
| karenpink | Sharks on the Wire | 10 | |
| ax3l_4 | Bytes and Big Integers | 10 | |
| EnesCeliks | Hex | 5 | |
| tanzung | Round Keys | 20 | |
| Boseeey | Finding Flags | 2 | |
| Aceproulx | ASCII | 5 |
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