| Date | User | Challenge | Score |
| anandsaroop | XOR Starter | 10 | |
| SMAYLA | Modular Arithmetic 1 | 20 | |
| eneo | Extended GCD | 20 | |
| ArthurDent | Base64 | 10 | |
| Vakyo | Bytes and Big Integers | 10 | |
| anaydiciii | Authentification 1 (Breizh CTF) | 0 | |
| ArthurDent | Hex | 5 | |
| MetzTzy | Bytes and Big Integers | 10 | |
| ArthurDent | ASCII | 5 | |
| ArthurDent | Great Snakes | 3 | |
| ArthurDent | Finding Flags | 2 | |
| shurayz | What's a Lattice? | 40 | |
| Dreamboat | Modular Arithmetic 2 | 20 | |
| Yosof_72 | Lazy CBC | 60 | |
| plushie | Modular Square Root | 35 | |
| eneo | Greatest Common Divisor | 15 | |
| anaydiciii | Bytes and Big Integers | 10 | |
| anaydiciii | Base64 | 10 | |
| anaydiciii | Hex | 5 | |
| anaydiciii | ASCII | 5 | |
| halliana | JWT Sessions | 10 | |
| anaydiciii | Network Attacks | 5 | |
| cat1cat2cat | Bytes and Big Integers | 10 | |
| anaydiciii | Great Snakes | 3 | |
| ezhpry | Adrien's Signs | 80 | |
| anaydiciii | Finding Flags | 2 | |
| huilisaur | Finding Flags | 2 | |
| ZanePlayer | Diffusion through Permutation | 30 | |
| Vakyo | Base64 | 10 | |
| quangntenemy | No Way Back Home | 100 | |
| hamza8520 | Modular Inverting | 25 | |
| salmajaadi | Modular Square Root | 35 | |
| hamza8520 | Modular Arithmetic 2 | 20 | |
| eneo | Lemur XOR | 40 | |
| hamza8520 | Modular Arithmetic 1 | 20 | |
| babkar | Favourite byte | 20 | |
| eneo | You either know, XOR you don't | 30 | |
| aidanak | RSA Signatures | 25 | |
| aidananana | Salty | 20 | |
| Vakyo | Hex | 5 | |
| Assel | Private Keys | 20 | |
| aidananana | Manyprime | 40 | |
| Assel | Euler's Totient | 20 | |
| xfnx | The Matrix | 75 | |
| linhkhong | Hex | 5 | |
| alstonchen | Finding Flags | 2 | |
| aidanak | RSA Decryption | 20 | |
| Assel | Public Keys | 15 | |
| LoftyCheese | Quadratic Residues | 25 | |
| xfnx | Script Kiddie | 70 |
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