| Date | User | Challenge | Score |
| grupo52026 | Keyed Permutations | 5 | |
| Priscila | Keyed Permutations | 5 | |
| grupo52026 | Resisting Bruteforce | 10 | |
| dirio | Quadratic Residues | 25 | |
| qznef404 | Hex | 5 | |
| m07med | ASCII | 5 | |
| devliar | Resisting Bruteforce | 10 | |
| devliar | Keyed Permutations | 5 | |
| m07med | Great Snakes | 3 | |
| Samigo | Greatest Common Divisor | 15 | |
| Danek_Cyber123 | ASCII | 5 | |
| Danek_Cyber123 | Hex | 5 | |
| andcdc | Passwords as Keys | 50 | |
| Samigo | You either know, XOR you don't | 30 | |
| bonvjo222 | Base64 | 10 | |
| Namunamu | PriMeD5 | 100 | |
| bonvjo222 | Hex | 5 | |
| Samigo | Favourite byte | 20 | |
| bonvjo222 | ASCII | 5 | |
| Samigo | XOR Properties | 15 | |
| andcdc | Modes of Operation Starter | 15 | |
| bonvjo222 | Great Snakes | 3 | |
| bonvjo222 | Finding Flags | 2 | |
| sp1n0z4 | Lemur XOR | 40 | |
| Samigo | XOR Starter | 10 | |
| talemke | Lemur XOR | 40 | |
| youssef_reda | Encoding Challenge | 40 | |
| talemke | You either know, XOR you don't | 30 | |
| em99 | You either know, XOR you don't | 30 | |
| Samigo | Bytes and Big Integers | 10 | |
| talemke | Favourite byte | 20 | |
| talemke | XOR Properties | 15 | |
| devliar | Modular Arithmetic 2 | 20 | |
| talemke | XOR Starter | 10 | |
| moritzraho | Modular Arithmetic 2 | 20 | |
| Blueberries_1111 | Finding Flags | 2 | |
| talemke | Encoding Challenge | 40 | |
| Danek_Cyber123 | Great Snakes | 3 | |
| MarkAnton00 | XOR Starter | 10 | |
| Danek_Cyber123 | Finding Flags | 2 | |
| devliar | Modular Arithmetic 1 | 20 | |
| qznef404 | ASCII | 5 | |
| talemke | Bytes and Big Integers | 10 | |
| talemke | Base64 | 10 | |
| talemke | Hex | 5 | |
| talemke | ASCII | 5 | |
| devliar | Extended GCD | 20 | |
| DuckyDuck | Composite Isogenies | 60 | |
| N3wbytz | Great Snakes | 3 | |
| m07med | Finding Flags | 2 |
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