| Date | User | Challenge | Score |
| Iris1705 | Marin's Secrets | 50 | |
| quq | Unencryptable | 125 | |
| GroGod | XOR Properties | 15 | |
| kieuvip | Modular Inverting | 25 | |
| kieuvip | Modular Arithmetic 2 | 20 | |
| Iris1705 | Infinite Descent | 50 | |
| kieuvip | Modular Arithmetic 1 | 20 | |
| kieuvip | Extended GCD | 20 | |
| kieuvip | Greatest Common Divisor | 15 | |
| hippo333 | Structure of AES | 15 | |
| Dany10 | Megalomaniac 3 | 120 | |
| Dany10 | Megalomaniac 2 | 120 | |
| Dany10 | Megalomaniac 1 | 100 | |
| quq | Roll your Own | 125 | |
| quq | Ellipse Curve Cryptography | 125 | |
| Nyann917 | Resisting Bruteforce | 10 | |
| sherwynd | Bringing It All Together | 50 | |
| n0w333l | You either know, XOR you don't | 30 | |
| MaxAzar | ECB Oracle | 60 | |
| niwi | Hex | 5 | |
| claredj | Modular Arithmetic 1 | 20 | |
| Iris1705 | Endless Emails | 150 | |
| quq | No Way Back Home | 100 | |
| Iris1705 | Everything is Still Big | 100 | |
| JoseMiguelz | Greatest Common Multiple (CODEGATE CTF) | 0 | |
| UrKarmafr | Finding Flags | 2 | |
| quq | Broken RSA | 100 | |
| lmchkhi | Favourite byte | 20 | |
| n0w333l | Favourite byte | 20 | |
| Iris1705 | Crossed Wires | 100 | |
| JoseMiguelz | ECLCG (HITCON CTF) | 0 | |
| JoseMiguelz | Additional problems (CSC Belgium) | 0 | |
| JoseMiguelz | Verilicious (Cyber Apocalypse 2025) | 0 | |
| que33 | XOR Starter | 10 | |
| JoseMiguelz | U-turn (Breizh CTF) | 0 | |
| JoseMiguelz | Do you have good eyes? (Breizh CTF) | 0 | |
| MaxAzar | Passwords as Keys | 50 | |
| JoseMiguelz | Authentification 2 (Breizh CTF) | 0 | |
| Iris1705 | Everything is Big | 70 | |
| JoseMiguelz | Authentification 1 (Breizh CTF) | 0 | |
| MaxAzar | Modes of Operation Starter | 15 | |
| Iris1705 | Modulus Inutilis | 50 | |
| Dany10 | Authenticated Handshake | 40 | |
| Dany10 | Decrypting TLS 1.2 | 30 | |
| n0w333l | XOR Properties | 15 | |
| Dany10 | Saying Hello | 20 | |
| Dany10 | TLS Handshake | 15 | |
| Iris1705 | Salty | 20 | |
| Dany10 | Secure Protocols | 5 | |
| Hyeonbin | Infinite Descent | 50 |
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