| Date | User | Challenge | Score |
| Nayely | Modular Exponentiation | 10 | |
| Sameer3018 | Bean Counter | 60 | |
| MrV1ct0r | Chinese Remainder Theorem | 40 | |
| m_ehsaan | Chinese Remainder Theorem | 40 | |
| GZenithal | Export-grade | 100 | |
| m_ehsaan | Modular Square Root | 35 | |
| m_ehsaan | Legendre Symbol | 35 | |
| m_ehsaan | Quadratic Residues | 25 | |
| m_ehsaan | Modular Inverting | 25 | |
| Brian2121 | Finding Flags | 2 | |
| yoyostring | Chinese Remainder Theorem | 40 | |
| JakeWin | Finding Flags | 2 | |
| GZenithal | Parameter Injection | 60 | |
| yoyostring | Modular Square Root | 35 | |
| GZenithal | Deriving Symmetric Keys | 40 | |
| m_ehsaan | Modular Arithmetic 2 | 20 | |
| m_ehsaan | Modular Arithmetic 1 | 20 | |
| m_ehsaan | Extended GCD | 20 | |
| m_ehsaan | Greatest Common Divisor | 15 | |
| christianjosephs | Deriving Symmetric Keys | 40 | |
| Sameer3018 | Symmetry | 50 | |
| yoyostring | Legendre Symbol | 35 | |
| Sameer3018 | Flipping Cookie | 60 | |
| Sameer3018 | ECB CBC WTF | 55 | |
| MrV1ct0r | Modular Square Root | 35 | |
| GZenithal | Computing Shared Secrets | 30 | |
| Sameer3018 | ECB Oracle | 60 | |
| gawol332 | Hash Stuffing | 50 | |
| Sameer3018 | Passwords as Keys | 50 | |
| Abel2004 | You either know, XOR you don't | 30 | |
| Abel2004 | Favourite byte | 20 | |
| GZenithal | Computing Public Values | 25 | |
| Abel2004 | XOR Properties | 15 | |
| shadowzl | Export-grade | 100 | |
| m_ehsaan | You either know, XOR you don't | 30 | |
| GZenithal | Generators of Groups | 20 | |
| Legal | Export-grade | 100 | |
| Abel2004 | XOR Starter | 10 | |
| GZenithal | Working with Fields | 10 | |
| m_ehsaan | Favourite byte | 20 | |
| Legal | Parameter Injection | 60 | |
| GZenithal | Modulus Inutilis | 50 | |
| calvernaz | No Leaks | 100 | |
| saayeshaj | You either know, XOR you don't | 30 | |
| SergioJumbo | You either know, XOR you don't | 30 | |
| m_ehsaan | XOR Properties | 15 | |
| saayeshaj | Favourite byte | 20 | |
| aakansh_m | Diffusion through Permutation | 30 | |
| GZenithal | Salty | 20 | |
| yoyostring | Quadratic Residues | 25 |
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