| Date | User | Challenge | Score |
| artex_11 | Square Eyes | 35 | |
| por1linux | Greatest Common Divisor | 15 | |
| namanxo | Greatest Common Divisor | 15 | |
| linalinalina | Finding Flags | 2 | |
| ghost08 | Private Keys | 20 | |
| wtw | Great Snakes | 3 | |
| mo793 | Base64 | 10 | |
| SahilVerma_51 | RSA Signatures | 25 | |
| artex_11 | RSA Signatures | 25 | |
| DrCryAtt | Finding Flags | 2 | |
| SahilVerma_51 | RSA Decryption | 20 | |
| artex_11 | Private Keys | 20 | |
| artex_11 | Euler's Totient | 20 | |
| Holl0w | Fischlin Transform | 180 | |
| SahilVerma_51 | Private Keys | 20 | |
| mo793 | Hex | 5 | |
| itadori002 | Modular Arithmetic 1 | 20 | |
| SahilVerma_51 | Euler's Totient | 20 | |
| chevy | Base64 | 10 | |
| SahilVerma_51 | Public Keys | 15 | |
| alm | Greatest Common Divisor | 15 | |
| SahilVerma_51 | Modular Exponentiation | 10 | |
| ghost08 | Euler's Totient | 20 | |
| Holl0w | Fischlin's Transformation (CryptoHack) | 0 | |
| Holl0w | broken oracle (HackTM CTF) | 0 | |
| dinesh001 | Quadratic Residues | 25 | |
| Deepika24 | Keyed Permutations | 5 | |
| itadori002 | Extended GCD | 20 | |
| Deepika24 | Resisting Bruteforce | 10 | |
| RuHaAn49 | Modular Binomials | 80 | |
| chevy | Hex | 5 | |
| Skypace | Extended GCD | 20 | |
| RuHaAn49 | Adrien's Signs | 80 | |
| artex_11 | Public Keys | 15 | |
| ghimpuo89 | Finding Flags | 2 | |
| chevy | ASCII | 5 | |
| artex_11 | Modular Exponentiation | 10 | |
| RuHaAn49 | Chinese Remainder Theorem | 40 | |
| Madim | ASCII | 5 | |
| chevy | Great Snakes | 3 | |
| dhirendra_16 | Factoring | 15 | |
| RuHaAn49 | Modular Square Root | 35 | |
| mo793 | ASCII | 5 | |
| taka2315 | XOR Properties | 15 | |
| abhabh | Diffusion through Permutation | 30 | |
| artex_11 | Size and Basis | 15 | |
| artex_11 | Vectors | 10 | |
| Deepika24 | Generators of Groups | 20 | |
| iliap | Structure of AES | 15 | |
| namanxo | You either know, XOR you don't | 30 |
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