| Date | User | Challenge | Score |
| rayanezaz | Finding Flags | 2 | |
| vas_fountas | Square Eyes | 35 | |
| ZSLeeltua | Bytes and Big Integers | 10 | |
| TrappedMouse | Quadratic Residues | 25 | |
| vas_fountas | Monoprime | 30 | |
| vas_fountas | Inferius Prime | 30 | |
| TrappedMouse | Modular Inverting | 25 | |
| vas_fountas | Factoring | 15 | |
| DanielMR | Favourite byte | 20 | |
| dylangf_16 | ASCII | 5 | |
| schoin | Modular Arithmetic 2 | 20 | |
| dylangf_16 | Network Attacks | 5 | |
| mariam_hassan01 | Extended GCD | 20 | |
| Namunamu | Dancing Queen | 120 | |
| schoin | Modular Arithmetic 1 | 20 | |
| dylangf_16 | Great Snakes | 3 | |
| schoin | Extended GCD | 20 | |
| ignacioPereyra | SSH Keys | 35 | |
| ignacioPereyra | CERTainly not | 30 | |
| Nook64 | Extended GCD | 20 | |
| Rezebombdevil | Confusion through Substitution | 25 | |
| ignacioPereyra | Privacy-Enhanced Mail? | 25 | |
| NioZow | LWE Intro | 10 | |
| schoin | Greatest Common Divisor | 15 | |
| mariam_hassan01 | Greatest Common Divisor | 15 | |
| dylangf_16 | Finding Flags | 2 | |
| ignacioPereyra | Modular Inverting | 25 | |
| gabrielebd | Finding Flags | 2 | |
| issolis | Hex | 5 | |
| ignacioPereyra | Modular Arithmetic 2 | 20 | |
| dlesk | ProSign 3 | 100 | |
| theodor_run | Network Attacks | 5 | |
| issolis | ASCII | 5 | |
| ignacioPereyra | Modular Arithmetic 1 | 20 | |
| issolis | Network Attacks | 5 | |
| Nook64 | Greatest Common Divisor | 15 | |
| ignacioPereyra | Extended GCD | 20 | |
| user99 | Gaussian Reduction | 50 | |
| issolis | Great Snakes | 3 | |
| NormalLake | Finding Flags | 2 | |
| joao_nogueira | Modes of Operation Starter | 15 | |
| 0xParanoia | Hex | 5 | |
| Rezebombdevil | Round Keys | 20 | |
| ignacioPereyra | Greatest Common Divisor | 15 | |
| issolis | Finding Flags | 2 | |
| ZSLeeltua | Base64 | 10 | |
| ignacioPereyra | Lemur XOR | 40 | |
| schoin | You either know, XOR you don't | 30 | |
| NoobTokki | XOR Properties | 15 | |
| TrappedMouse | Modular Arithmetic 2 | 20 |
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