| Date | User | Challenge | Score |
| phongpt55 | Round Keys | 20 | |
| ezhpry | Resisting Bruteforce | 10 | |
| SMAYLA | Modular Arithmetic 2 | 20 | |
| ezhpry | Keyed Permutations | 5 | |
| Veronika | RSA Decryption | 20 | |
| xfnx | Saying Hello | 20 | |
| BearThaRealHe | Working with Fields | 10 | |
| xfnx | TLS Handshake | 15 | |
| townhouse9 | Resisting Bruteforce | 10 | |
| ezhpry | Modular Binomials | 80 | |
| townhouse9 | Keyed Permutations | 5 | |
| xfnx | Sharks on the Wire | 10 | |
| Veronika | Private Keys | 20 | |
| foidphobic | Extended GCD | 20 | |
| xfnx | A Twisted Mind | 80 | |
| gaconmoino | Finding Flags | 2 | |
| Louise57 | Greatest Common Divisor | 15 | |
| qthang | Manyprime | 40 | |
| Veronika | Euler's Totient | 20 | |
| Sam78967832342 | Modular Inverting | 25 | |
| Veronika | Public Keys | 15 | |
| Veronika | Modular Exponentiation | 10 | |
| xfnx | WOTS Up 2 | 90 | |
| Sam78967832342 | Modular Arithmetic 2 | 20 | |
| Sam78967832342 | Modular Arithmetic 1 | 20 | |
| xfnx | WOTS Up | 75 | |
| Dreamboat | Modular Inverting | 25 | |
| xfnx | Merkle Trees | 25 | |
| ubun_2 | XOR Starter | 10 | |
| carenysf | Stream of Consciousness | 80 | |
| shurayz | Gram Schmidt | 30 | |
| Veronika | Bean Counter | 60 | |
| xfnx | MD0 | 80 | |
| ubun_2 | Bytes and Big Integers | 10 | |
| xfnx | Hash Stuffing | 50 | |
| ArthurDent | Bytes and Big Integers | 10 | |
| ubun_2 | Base64 | 10 | |
| ubun_2 | Hex | 5 | |
| waks | Modular Arithmetic 1 | 20 | |
| ubun_2 | ASCII | 5 | |
| ubun_2 | Great Snakes | 3 | |
| xfnx | Collider | 50 | |
| 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 |
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