| Date | User | Challenge | Score |
| 0x1622 | Bytes and Big Integers | 10 | |
| araahi | XOR Properties | 15 | |
| shahidkalw | Bytes and Big Integers | 10 | |
| shahidkalw | Base64 | 10 | |
| shahidkalw | Hex | 5 | |
| shahidkalw | ASCII | 5 | |
| shahidkalw | Great Snakes | 3 | |
| tera | No Way Back Home | 100 | |
| shahidkalw | Finding Flags | 2 | |
| AllanPoe | Factoring | 15 | |
| Shr0ud | Bytes and Big Integers | 10 | |
| saisoma123 | ASCII | 5 | |
| saisoma123 | Great Snakes | 3 | |
| saisoma123 | Finding Flags | 2 | |
| sasytaco802 | Lazy CBC | 60 | |
| thaily04 | Extended GCD | 20 | |
| shhack96 | Adrien's Signs | 80 | |
| HarveyTucker | XOR Properties | 15 | |
| Shr0ud | Base64 | 10 | |
| rasimhankunrava | Symmetry | 50 | |
| A13niL | Base64 | 10 | |
| rasimhankunrava | Flipping Cookie | 60 | |
| eleanork | Base64 | 10 | |
| 1x4bh1 | Greatest Common Divisor | 15 | |
| HarveyTucker | XOR Starter | 10 | |
| A13niL | Hex | 5 | |
| eleanork | Hex | 5 | |
| 1x4bh1 | Base64 | 10 | |
| 1x4bh1 | Hex | 5 | |
| 1x4bh1 | ASCII | 5 | |
| eleanork | ASCII | 5 | |
| A13niL | ASCII | 5 | |
| sakib65 | XOR Starter | 10 | |
| A13niL | Great Snakes | 3 | |
| palgari9718 | Token Appreciation | 5 | |
| A13niL | Finding Flags | 2 | |
| 1x4bh1 | Network Attacks | 5 | |
| zipill | Logon Zero | 80 | |
| 1x4bh1 | Great Snakes | 3 | |
| 1x4bh1 | Finding Flags | 2 | |
| palgari9718 | XOR Properties | 15 | |
| owaissadi | Favourite byte | 20 | |
| mbajic | Base64 | 10 | |
| wangfu | XOR Properties | 15 | |
| Anucker101 | Adrien's Signs | 80 | |
| wanttobethebest | Fast Primes | 75 | |
| valh4x | Public Keys | 15 | |
| valh4x | RSA Signatures | 25 | |
| LeeWangWy | Legendre Symbol | 35 | |
| Anucker101 | Chinese Remainder Theorem | 40 |
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