| Date | User | Challenge | Score |
| Que140 | Modular Inverting | 25 | |
| Que140 | Modular Arithmetic 2 | 20 | |
| cattt_owo | Hex | 5 | |
| cattt_owo | ASCII | 5 | |
| Que140 | Modular Arithmetic 1 | 20 | |
| Rinfel2026 | Finding Flags | 2 | |
| Fluvfy | Modular Square Root | 35 | |
| cattt_owo | Great Snakes | 3 | |
| lauretti | Quadratic Residues | 25 | |
| xomting | Modular Arithmetic 1 | 20 | |
| Que140 | Extended GCD | 20 | |
| cattt_owo | Finding Flags | 2 | |
| ign_Hades | Bytes and Big Integers | 10 | |
| Ness2626 | Deriving Symmetric Keys | 40 | |
| Que140 | Greatest Common Divisor | 15 | |
| ign_Hades | Base64 | 10 | |
| Que140 | You either know, XOR you don't | 30 | |
| Que140 | Favourite byte | 20 | |
| ign_Hades | Hex | 5 | |
| nameerah | RSA Decryption | 20 | |
| ign_Hades | ASCII | 5 | |
| mlko | Quadratic Residues | 25 | |
| DaanV2 | XOR Properties | 15 | |
| saro | Sharks on the Wire | 10 | |
| ign_Hades | Great Snakes | 3 | |
| ign_Hades | Finding Flags | 2 | |
| nameerah | Private Keys | 20 | |
| Que140 | XOR Properties | 15 | |
| Ness2626 | Computing Shared Secrets | 30 | |
| Ness2626 | Computing Public Values | 25 | |
| Sleepyy | Network Attacks | 5 | |
| Que140 | XOR Starter | 10 | |
| nameerah | Euler's Totient | 20 | |
| Que140 | Bytes and Big Integers | 10 | |
| Que140 | Base64 | 10 | |
| Que140 | Hex | 5 | |
| Ness2626 | Generators of Groups | 20 | |
| handoko | Collider | 50 | |
| nameerah | Public Keys | 15 | |
| Lukas99 | Favourite byte | 20 | |
| JCooker | Quadratic Residues | 25 | |
| DaanV2 | XOR Starter | 10 | |
| mlko | ZKP Introduction | 5 | |
| l3th4l | Too Honest | 50 | |
| madnox | XOR Properties | 15 | |
| Haikall | Structure of AES | 15 | |
| florentynasen | Hex | 5 | |
| Sleepyy | Great Snakes | 3 | |
| walid_z1 | Legendre Symbol | 35 | |
| Sleepyy | Finding Flags | 2 |
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