| Date | User | Challenge | Score |
| sussolera | Finding Flags | 2 | |
| Cuju | Finding Flags | 2 | |
| angelesbanon | Finding Flags | 2 | |
| jasonbourne | SSH Keys | 35 | |
| doanhaphong | Confusion through Substitution | 25 | |
| 26521111001 | ProSign 3 | 100 | |
| jasonbourne | CERTainly not | 30 | |
| 26521111001 | Curveball | 100 | |
| klynham | Base64 | 10 | |
| 26521111001 | Smooth Criminal | 60 | |
| jasonbourne | Privacy-Enhanced Mail? | 25 | |
| blez | Double and Broken | 50 | |
| 26521111001 | Montgomery's Ladder | 40 | |
| 26521111001 | Efficient Exchange | 50 | |
| jasonbourne | Modular Inverting | 25 | |
| nimparker | Finding Flags | 2 | |
| 26521111001 | Curves and Logs | 40 | |
| HoudaRh | Double and Broken | 50 | |
| MohamedAbds | Double and Broken | 50 | |
| 26521111001 | Scalar Multiplication | 35 | |
| qadirrun | XOR Properties | 15 | |
| jasonbourne | Modular Arithmetic 1 | 20 | |
| 26521111001 | Point Addition | 30 | |
| qadirrun | XOR Starter | 10 | |
| jasonbourne | Modular Arithmetic 2 | 20 | |
| qadirrun | Bytes and Big Integers | 10 | |
| IngenieurMatlab | Double and Broken | 50 | |
| 26521111001 | Point Negation | 10 | |
| Otisku | Legendre Symbol | 35 | |
| 26521111001 | Background Reading | 5 | |
| qadirrun | Base64 | 10 | |
| eliast_visuals | Generators of Groups | 20 | |
| josch08 | Generators of Groups | 20 | |
| Benizzel | Chinese Remainder Theorem | 40 | |
| qadirrun | Hex | 5 | |
| qadirrun | ASCII | 5 | |
| Benizzel | Modular Square Root | 35 | |
| jasonbourne | Extended GCD | 20 | |
| Otisku | Quadratic Residues | 25 | |
| 26521111001 | Manyprime | 40 | |
| Otisku | Modular Inverting | 25 | |
| 26521111001 | Export-grade | 100 | |
| Benizzel | Legendre Symbol | 35 | |
| Luna18 | Finding Flags | 2 | |
| doanhaphong | Round Keys | 20 | |
| 26521111001 | Parameter Injection | 60 | |
| qadirrun | Great Snakes | 3 | |
| trixi | Deriving Symmetric Keys | 40 | |
| Otisku | Modular Arithmetic 2 | 20 | |
| LRX | What's a Lattice? | 40 |
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