| Date | User | Challenge | Score |
| ShadetheAvali | Everything is Big | 70 | |
| LanNgai04 | Modular Inverting | 25 | |
| ShadetheAvali | Modulus Inutilis | 50 | |
| SeanShadow113 | Base64 | 10 | |
| RDWay | Finding Flags | 2 | |
| EventSch | Extended GCD | 20 | |
| ShadetheAvali | Salty | 20 | |
| ShadetheAvali | Manyprime | 40 | |
| YutoIn | RSA Signatures | 25 | |
| Ella | Great Snakes | 3 | |
| Ella | Finding Flags | 2 | |
| ShadetheAvali | Square Eyes | 35 | |
| SeanShadow113 | Hex | 5 | |
| EventSch | Greatest Common Divisor | 15 | |
| SeanShadow113 | ASCII | 5 | |
| x0Lime | Great Snakes | 3 | |
| ShadetheAvali | SSH Keys | 35 | |
| x0Lime | Finding Flags | 2 | |
| TnT_DG | Chinese Remainder Theorem | 40 | |
| tig3rpuppet | Efficient Exchange | 50 | |
| TnT_DG | Modular Square Root | 35 | |
| TnT_DG | Legendre Symbol | 35 | |
| sfo | Greatest Common Divisor | 15 | |
| TnT_DG | Quadratic Residues | 25 | |
| teetoamate | TLS Handshake | 15 | |
| TnT_DG | Modular Inverting | 25 | |
| TnT_DG | Modular Arithmetic 2 | 20 | |
| TnT_DG | Modular Arithmetic 1 | 20 | |
| tig3rpuppet | Curves and Logs | 40 | |
| TnT_DG | Extended GCD | 20 | |
| ippo | No Way JOSE | 20 | |
| kostpergan | Deriving Symmetric Keys | 40 | |
| ippo | JWT Sessions | 10 | |
| ippo | Token Appreciation | 5 | |
| linda52josie | Finding Flags | 2 | |
| prachiti | Finding Flags | 2 | |
| TnT_DG | Greatest Common Divisor | 15 | |
| ippo | Great Snakes | 3 | |
| teetoamate | Sharks on the Wire | 10 | |
| ippo | Finding Flags | 2 | |
| kostpergan | Computing Shared Secrets | 30 | |
| TnT_DG | You either know, XOR you don't | 30 | |
| agilghif | Resisting Bruteforce | 10 | |
| calisper | Bytes and Big Integers | 10 | |
| Piotr271 | Modulus Inutilis | 50 | |
| agilghif | Keyed Permutations | 5 | |
| kostpergan | Computing Public Values | 25 | |
| TnT_DG | Favourite byte | 20 | |
| zerotrace | You either know, XOR you don't | 30 | |
| TnT_DG | XOR Properties | 15 |
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