| Date | User | Challenge | Score |
| jana233 | ASCII | 5 | |
| luchy | Chinese Remainder Theorem | 40 | |
| luchy | Modular Square Root | 35 | |
| camo132108 | Flipping Cookie | 60 | |
| emadig4 | Factoring | 15 | |
| piby | Finding Flags | 2 | |
| luchy | Legendre Symbol | 35 | |
| chk | Stream of Consciousness | 80 | |
| luchy | Quadratic Residues | 25 | |
| luchy | Modular Inverting | 25 | |
| jana233 | Great Snakes | 3 | |
| muratch | Modular Binomials | 80 | |
| tarakanus10k | Scalar Multiplication | 35 | |
| jana233 | Finding Flags | 2 | |
| luchy | Modular Arithmetic 2 | 20 | |
| luchy | Modular Arithmetic 1 | 20 | |
| camo132108 | ECB Oracle | 60 | |
| saviurzz | Favourite byte | 20 | |
| yavuzagca | Modular Arithmetic 2 | 20 | |
| luchy | Extended GCD | 20 | |
| luchy | Greatest Common Divisor | 15 | |
| rotated | Modular Binomials | 80 | |
| shaked_srabstein | JWT Sessions | 10 | |
| Jakin__Kiptoo | Modular Binomials | 80 | |
| Jakin__Kiptoo | Adrien's Signs | 80 | |
| Chocomint | ASCII | 5 | |
| kareemelfeel05 | Factoring | 15 | |
| saviurzz | XOR Properties | 15 | |
| JunhyeongShin | Diffusion through Permutation | 30 | |
| JunhyeongShin | Confusion through Substitution | 25 | |
| yavuzagca | Modular Arithmetic 1 | 20 | |
| zerohacknova | Base64 | 10 | |
| mutiara | Extended GCD | 20 | |
| warsom77 | Greatest Common Divisor | 15 | |
| mutiara | XOR Properties | 15 | |
| mavil27 | Additive | 70 | |
| JunhyeongShin | Round Keys | 20 | |
| ali_dagistan | ECB CBC WTF | 55 | |
| mutiara | Bytes and Big Integers | 10 | |
| Jakin__Kiptoo | Chinese Remainder Theorem | 40 | |
| Jakin__Kiptoo | Modular Square Root | 35 | |
| kareemelfeel05 | RSA Signatures | 25 | |
| Jakin__Kiptoo | Legendre Symbol | 35 | |
| Jakin__Kiptoo | Quadratic Residues | 25 | |
| Chocomint | Great Snakes | 3 | |
| mutiara | Great Snakes | 3 | |
| Jakin__Kiptoo | Modular Inverting | 25 | |
| JunhyeongShin | Structure of AES | 15 | |
| mutiara | Modular Arithmetic 2 | 20 | |
| RSeldon06 | Endless Emails | 150 |
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