| Date | User | Challenge | Score |
| vall3n_0x | Base64 | 10 | |
| Aswath28 | Jack's Birthday Confusion | 30 | |
| Dhanushree05 | Lemur XOR | 40 | |
| harshinig | Diffusion through Permutation | 30 | |
| Kavindra06 | Lemur XOR | 40 | |
| Aswath28 | CERTainly not | 30 | |
| Dhanushree05 | Encoding Challenge | 40 | |
| Kavindra06 | Encoding Challenge | 40 | |
| Dhanushree05 | Network Attacks | 5 | |
| Komasan_ | Private Keys | 20 | |
| Kavindra06 | Network Attacks | 5 | |
| Vismitaa | Encoding Challenge | 40 | |
| yuvashri | Structure of AES | 15 | |
| Komasan_ | Euler's Totient | 20 | |
| Aswath28 | Jack's Birthday Hash | 20 | |
| vall3n_0x | Hex | 5 | |
| harshinig | Structure of AES | 15 | |
| Komasan_ | Public Keys | 15 | |
| vall3n_0x | ASCII | 5 | |
| darththucydides | Background Reading | 5 | |
| vall3n_0x | Great Snakes | 3 | |
| yuvashri | Resisting Bruteforce | 10 | |
| yuvashri | Keyed Permutations | 5 | |
| vall3n_0x | Finding Flags | 2 | |
| Dr1o02 | Exceptional Curves | 100 | |
| harshinig | Resisting Bruteforce | 10 | |
| Komasan_ | Modular Exponentiation | 10 | |
| wangfu | Legendre Symbol | 35 | |
| harshinig | Keyed Permutations | 5 | |
| sma11pi9 | Efficient Exchange | 50 | |
| Dhanushree05 | Moving Problems | 150 | |
| iniM0n | Structure of AES | 15 | |
| starbinhas | Quadratic Residues | 25 | |
| nizarr | Passwords as Keys | 50 | |
| Komasan_ | Bean Counter | 60 | |
| eoin | Bespoke Padding | 100 | |
| rev_cryp | Favourite byte | 20 | |
| sma11pi9 | Curves and Logs | 40 | |
| muahethieuem | Successive Powers | 60 | |
| cattacker_1337 | Hex | 5 | |
| cattacker_1337 | ASCII | 5 | |
| Komasan_ | Symmetry | 50 | |
| AllanPoe | Manyprime | 40 | |
| rev_cryp | XOR Properties | 15 | |
| cattacker_1337 | Great Snakes | 3 | |
| CryptoAI_Agent | An Exceptional Twisted Mind | 125 | |
| cattacker_1337 | Finding Flags | 2 | |
| Clowi | ASCII | 5 | |
| Haggs | Successive Powers | 60 | |
| Haggs | Keyed Permutations | 5 |
You are now level Current level