| Date | User | Challenge | Score |
| Zawa08 | Hex | 5 | |
| radare | Twisted CSIDH Isogenies | 70 | |
| aaanomy | Nothing Up My Sleeve | 150 | |
| Zawa08 | ASCII | 5 | |
| pcspcs | Ron was Wrong, Whit is Right | 90 | |
| mariia_botkina | Adrien's Signs | 80 | |
| k31th0us | XOR Starter | 10 | |
| Zawa08 | Great Snakes | 3 | |
| Zawa08 | Finding Flags | 2 | |
| Eul3r | Script Kiddie | 70 | |
| LABORATOR | Quadratic Residues | 25 | |
| zczjyq | Quadratic Residues | 25 | |
| R00tSeek3r | Quadratic Residues | 25 | |
| Pichmeow | Quadratic Residues | 25 | |
| harv32658 | XOR Starter | 10 | |
| pocketclown | Modular Inverting | 25 | |
| guyanyong | Triple DES | 60 | |
| k31th0us | Bytes and Big Integers | 10 | |
| sherlock777 | Crossed Wires | 100 | |
| pocketclown | Modular Arithmetic 2 | 20 | |
| k31th0us | Base64 | 10 | |
| Auspiow | Modular Inverting | 25 | |
| apm4n | Modular Arithmetic 1 | 20 | |
| pocketclown | Modular Arithmetic 1 | 20 | |
| testingworldfull | Quadratic Residues | 25 | |
| spinflipper31415 | Efficient Exchange | 50 | |
| pocketclown | Extended GCD | 20 | |
| k31th0us | Hex | 5 | |
| vanMjnh | Proofs of Knowledge | 20 | |
| Eul3r | Additive | 70 | |
| Joichirou | Legendre Symbol | 35 | |
| apm4n | Extended GCD | 20 | |
| k31th0us | ASCII | 5 | |
| k31th0us | Great Snakes | 3 | |
| k31th0us | Finding Flags | 2 | |
| AkaiKitsune_2107 | Broken RSA | 100 | |
| Velisar | Legendre Symbol | 35 | |
| apm4n | Greatest Common Divisor | 15 | |
| RechnerMai | Hex | 5 | |
| RechnerMai | ASCII | 5 | |
| apm4n | Lemur XOR | 40 | |
| steveyxz | Greatest Common Divisor | 15 | |
| LABORATOR | Modular Inverting | 25 | |
| Auspiow | Modular Arithmetic 2 | 20 | |
| jackoha | Paper Plane | 120 | |
| RechnerMai | Great Snakes | 3 | |
| testingworldfull | Modular Inverting | 25 | |
| alzzz | Inferius Prime | 30 | |
| RechnerMai | Finding Flags | 2 | |
| testingworldfull | Modular Arithmetic 2 | 20 |
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