| Date | User | Challenge | Score |
| maousi | Public Keys | 15 | |
| sal | ASCII | 5 | |
| dj_choppy | You either know, XOR you don't | 30 | |
| wizard101 | You either know, XOR you don't | 30 | |
| DuckMaster | Signing Server | 60 | |
| dj_choppy | Favourite byte | 20 | |
| sal | Great Snakes | 3 | |
| dj_choppy | XOR Properties | 15 | |
| owenthesolver | Finding Flags | 2 | |
| DarthJewel | Finding Flags | 2 | |
| snake_sss | Chinese Remainder Theorem | 40 | |
| alchemist7 | Public Keys | 15 | |
| sal | Finding Flags | 2 | |
| maousi | Modular Exponentiation | 10 | |
| snake_sss | Modular Square Root | 35 | |
| UrLastWish | Crossed Wires | 100 | |
| Kal19 | Bytes and Big Integers | 10 | |
| sigma1 | Lemur XOR | 40 | |
| alchemist7 | Euler's Totient | 20 | |
| maousi | Secure Protocols | 5 | |
| matthew13 | You either know, XOR you don't | 30 | |
| Kal19 | Base64 | 10 | |
| jd3boots | Adrien's Signs | 80 | |
| banoski | RSA Decryption | 20 | |
| Kal19 | Hex | 5 | |
| fjukh7872 | Beatboxer | 150 | |
| matthew13 | Favourite byte | 20 | |
| maousi | JSON in JSON | 40 | |
| banoski | Private Keys | 20 | |
| Kal19 | ASCII | 5 | |
| dolphinned | Symmetry | 50 | |
| banoski | Euler's Totient | 20 | |
| Kal19 | Great Snakes | 3 | |
| thaggs1066 | Parameter Injection | 60 | |
| Kal19 | Finding Flags | 2 | |
| kabanchik_07 | Modular Binomials | 80 | |
| maousi | RSA or HMAC? | 35 | |
| fahad1 | Great Snakes | 3 | |
| alchemist7 | Modular Exponentiation | 10 | |
| fahad1 | Finding Flags | 2 | |
| fjukh7872 | Fast Primes | 75 | |
| bones33 | No Leaks | 100 | |
| ijustgothere | Base64 | 10 | |
| banoski | Public Keys | 15 | |
| maousi | JWT Secrets | 25 | |
| ijustgothere | Hex | 5 | |
| banoski | Modular Exponentiation | 10 | |
| ijustgothere | ASCII | 5 | |
| ijustgothere | Great Snakes | 3 | |
| jd3boots | Chinese Remainder Theorem | 40 |
You are now level Current level