| Date | User | Challenge | Score |
| BenasPr | Finding Flags | 2 | |
| yanxia | Bytes and Big Integers | 10 | |
| Ofiany | Hex | 5 | |
| karsar11 | Unencryptable | 125 | |
| daisylomo | ASCII | 5 | |
| Ofiany | ASCII | 5 | |
| yanxia | Base64 | 10 | |
| flooeg | Montgomery's Ladder | 40 | |
| daisylomo | Great Snakes | 3 | |
| Tatianamdennis | Base64 | 10 | |
| saharXD | Base64 | 10 | |
| phomai739391 | Public Keys | 15 | |
| daisylomo | Finding Flags | 2 | |
| yanxia | Hex | 5 | |
| phomai739391 | Modular Exponentiation | 10 | |
| saharXD | Hex | 5 | |
| Skypace | Symmetry | 50 | |
| maksushka | CTRIME | 70 | |
| Sassytown123 | Finding Flags | 2 | |
| phomai739391 | Bean Counter | 60 | |
| BADWARE | Jack's Birthday Confusion | 30 | |
| saharXD | ASCII | 5 | |
| Aul16 | XOR Properties | 15 | |
| 0xh4fun | Resisting Bruteforce | 10 | |
| akbar_aramiko | RSA Decryption | 20 | |
| ucef18 | Finding Flags | 2 | |
| akbar_aramiko | Private Keys | 20 | |
| akbar_aramiko | Euler's Totient | 20 | |
| AngeeCon_ | Bytes and Big Integers | 10 | |
| akbar_aramiko | Public Keys | 15 | |
| akbar_aramiko | Modular Exponentiation | 10 | |
| 0xh4fun | Keyed Permutations | 5 | |
| AngeeCon_ | Base64 | 10 | |
| Aul16 | XOR Starter | 10 | |
| ffx1120 | Bytes and Big Integers | 10 | |
| saharXD | Great Snakes | 3 | |
| ffx1120 | ASCII | 5 | |
| ffx1120 | Base64 | 10 | |
| saharXD | Finding Flags | 2 | |
| AngeeCon_ | Hex | 5 | |
| ffx1120 | Hex | 5 | |
| BADWARE | Jack's Birthday Hash | 20 | |
| Aul16 | Bytes and Big Integers | 10 | |
| AngeeCon_ | ASCII | 5 | |
| Aul16 | Base64 | 10 | |
| Aul16 | Hex | 5 | |
| redify | Finding Flags | 2 | |
| Aul16 | ASCII | 5 | |
| Aul16 | Great Snakes | 3 | |
| AngeeCon_ | Great Snakes | 3 |
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