| Date | User | Challenge | Score |
| p22244 | Bytes and Big Integers | 10 | |
| p22244 | Base64 | 10 | |
| carpathianbadger | Private Keys | 20 | |
| KuroV2 | XOR Starter | 10 | |
| p22244 | Hex | 5 | |
| anirud | Everything is Still Big | 100 | |
| carpathianbadger | Euler's Totient | 20 | |
| cryptovroo | Private Keys | 20 | |
| swimmingdog | Gaussian Reduction | 50 | |
| Alvviinn | ASCII | 5 | |
| p22244 | ASCII | 5 | |
| p22244 | Great Snakes | 3 | |
| cryptovroo | Euler's Totient | 20 | |
| cryptovroo | Public Keys | 15 | |
| Alvviinn | Great Snakes | 3 | |
| nikosn | CERTainly not | 30 | |
| LvKNnT | Size and Basis | 15 | |
| navo | You either know, XOR you don't | 30 | |
| JokoFlex | Greatest Common Divisor | 15 | |
| shreyanshagra | Base64 | 10 | |
| carpathianbadger | Public Keys | 15 | |
| luegac21 | XOR Properties | 15 | |
| flokkq | XOR Properties | 15 | |
| cryptovroo | Modular Exponentiation | 10 | |
| p22244 | Finding Flags | 2 | |
| LvKNnT | Vectors | 10 | |
| thereamix | You either know, XOR you don't | 30 | |
| storhovedet | You either know, XOR you don't | 30 | |
| navo | Favourite byte | 20 | |
| Steyrer187 | You either know, XOR you don't | 30 | |
| JokoFlex | Round Keys | 20 | |
| ririelen | Favourite byte | 20 | |
| Dxminik | You either know, XOR you don't | 30 | |
| shreyanshagra | Hex | 5 | |
| navo | XOR Properties | 15 | |
| Julius_Caesar | Bytes and Big Integers | 10 | |
| shreyanshagra | ASCII | 5 | |
| Hansi | Modular Square Root | 35 | |
| DokkaeCat | Round Keys | 20 | |
| maisec21 | You either know, XOR you don't | 30 | |
| Chritzt | You either know, XOR you don't | 30 | |
| ririelen | XOR Properties | 15 | |
| thereamix | Favourite byte | 20 | |
| urbtoc21 | XOR Starter | 10 | |
| shreyanshagra | Great Snakes | 3 | |
| carpathianbadger | Modular Exponentiation | 10 | |
| ynsdg | Great Snakes | 3 | |
| Alvviinn | Finding Flags | 2 | |
| Dxminik | Favourite byte | 20 | |
| shreyanshagra | Finding Flags | 2 |
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