| Date | User | Challenge | Score |
| cxy | Bytes and Big Integers | 10 | |
| osamagharba | XOR Starter | 10 | |
| guyanyong | RSA Signatures | 25 | |
| axelskirt | Factoring | 15 | |
| Kolling | Base64 | 10 | |
| budyx0 | Bytes and Big Integers | 10 | |
| yahiaelsafty | You either know, XOR you don't | 30 | |
| yahiaelsafty | Favourite byte | 20 | |
| parvesh | Base64 | 10 | |
| yahiaelsafty | XOR Properties | 15 | |
| lethinh05 | CSIDH Key Exchange | 90 | |
| Ctranikinn | Hex | 5 | |
| Ctranikinn | ASCII | 5 | |
| Ctranikinn | Great Snakes | 3 | |
| Ctranikinn | Finding Flags | 2 | |
| osamagharba | Bytes and Big Integers | 10 | |
| cxy | Base64 | 10 | |
| yahiaelsafty | XOR Starter | 10 | |
| yahiaelsafty | Bytes and Big Integers | 10 | |
| Abd_ali | You either know, XOR you don't | 30 | |
| cxy | Hex | 5 | |
| tup01ris | Resisting Bruteforce | 10 | |
| yhx | XOR Properties | 15 | |
| tup01ris | Keyed Permutations | 5 | |
| osamagharba | Base64 | 10 | |
| budyx0 | Base64 | 10 | |
| cxy | ASCII | 5 | |
| budyx0 | Hex | 5 | |
| Abd_ali | Favourite byte | 20 | |
| ctm31 | MD0 | 80 | |
| osamagharba | Hex | 5 | |
| illillil | Base64 | 10 | |
| cxy | Great Snakes | 3 | |
| yahiaelsafty | Base64 | 10 | |
| d4c | No Way JOSE | 20 | |
| osamagharba | ASCII | 5 | |
| ctm31 | WOTS Up | 75 | |
| illillil | Hex | 5 | |
| yahiaelsafty | Hex | 5 | |
| nhule0235 | Finding Flags | 2 | |
| osamagharba | Great Snakes | 3 | |
| yahiaelsafty | ASCII | 5 | |
| Abd_ali | XOR Properties | 15 | |
| osamagharba | Finding Flags | 2 | |
| yahiaelsafty | Great Snakes | 3 | |
| yahiaelsafty | Finding Flags | 2 | |
| illillil | ASCII | 5 | |
| d4c | JWT Secrets | 25 | |
| alt255 | Ron was Wrong, Whit is Right | 90 | |
| d4c | JWT Sessions | 10 |
You are now level Current level