| Date | User | Challenge | Score |
| PinkBall | Modular Square Root | 35 | |
| atla | ASCII | 5 | |
| Cosmin | Favourite byte | 20 | |
| Technoblade | Quadratic Residues | 25 | |
| Kiyowa | Quadratic Residues | 25 | |
| SUGIRVAS_S | Finding Flags | 2 | |
| MARTABAKMANIS | Hex | 5 | |
| hce | Chinese Remainder Theorem | 40 | |
| patrick | Jeff's LFSR | 150 | |
| v_enn3 | Bean Counter | 60 | |
| v_enn3 | Symmetry | 50 | |
| Cosmin | XOR Properties | 15 | |
| BeaN10086 | ASCII | 5 | |
| v_enn3 | Flipping Cookie | 60 | |
| MARTABAKMANIS | ASCII | 5 | |
| v_enn3 | ECB CBC WTF | 55 | |
| abdo41 | Finding Flags | 2 | |
| v_enn3 | ECB Oracle | 60 | |
| v_enn3 | Passwords as Keys | 50 | |
| v_enn3 | Modes of Operation Starter | 15 | |
| v_enn3 | Bringing It All Together | 50 | |
| v_enn3 | Diffusion through Permutation | 30 | |
| MARTABAKMANIS | Network Attacks | 5 | |
| v_enn3 | Confusion through Substitution | 25 | |
| jojo2504 | Modes of Operation Starter | 15 | |
| v_enn3 | Round Keys | 20 | |
| v_enn3 | Structure of AES | 15 | |
| hedfi03 | Network Attacks | 5 | |
| v_enn3 | Resisting Bruteforce | 10 | |
| v_enn3 | Keyed Permutations | 5 | |
| Wistian | Resisting Bruteforce | 10 | |
| v_enn3 | Modular Binomials | 80 | |
| Technoblade | Modular Inverting | 25 | |
| NuC0co | Point Negation | 10 | |
| v_enn3 | Adrien's Signs | 80 | |
| v_enn3 | Chinese Remainder Theorem | 40 | |
| v_enn3 | Modular Square Root | 35 | |
| v_enn3 | Legendre Symbol | 35 | |
| hedfi03 | Great Snakes | 3 | |
| v_enn3 | Quadratic Residues | 25 | |
| v_enn3 | Modular Inverting | 25 | |
| Tadicha | Deriving Symmetric Keys | 40 | |
| jojo2504 | Bringing It All Together | 50 | |
| v_enn3 | Modular Arithmetic 2 | 20 | |
| copycat69 | Network Attacks | 5 | |
| v_enn3 | Modular Arithmetic 1 | 20 | |
| Tadicha | Computing Shared Secrets | 30 | |
| Wistian | Keyed Permutations | 5 | |
| Tadicha | Computing Public Values | 25 | |
| Technoblade | Modular Arithmetic 2 | 20 |
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