| Date | User | Challenge | Score |
| ispo | Edwards Goes Degenerate | 100 | |
| TheRealMiKi | Base64 | 10 | |
| hayzer | Modulus Inutilis | 50 | |
| Yoru_001 | Round Keys | 20 | |
| TheRealMiKi | Hex | 5 | |
| jacbop | You either know, XOR you don't | 30 | |
| mikuleci | JWT Sessions | 10 | |
| sillyseal001 | Finding Flags | 2 | |
| TheRealMiKi | ASCII | 5 | |
| mikuleci | Token Appreciation | 5 | |
| TheRealMiKi | Great Snakes | 3 | |
| TheRealMiKi | Finding Flags | 2 | |
| helent | Greatest Common Divisor | 15 | |
| Yoru_001 | Structure of AES | 15 | |
| jacbop | Favourite byte | 20 | |
| jacbop | XOR Properties | 15 | |
| TheRJnator | Base64 | 10 | |
| TheRJnator | Hex | 5 | |
| Lucas_Dr4c0 | Hex | 5 | |
| jacbop | XOR Starter | 10 | |
| JogiCrypto | ASCII | 5 | |
| TheRJnator | ASCII | 5 | |
| drzejus | The Matrix | 75 | |
| Vasileios01 | Chinese Remainder Theorem | 40 | |
| JogiCrypto | Great Snakes | 3 | |
| JogiCrypto | Finding Flags | 2 | |
| jacbop | Bytes and Big Integers | 10 | |
| alexandros | Chinese Remainder Theorem | 40 | |
| Vasileios01 | Quadratic Residues | 25 | |
| TheRJnator | Great Snakes | 3 | |
| jacbop | Base64 | 10 | |
| jacbop | Hex | 5 | |
| TheRJnator | Finding Flags | 2 | |
| alexandros | Modular Square Root | 35 | |
| jacbop | ASCII | 5 | |
| Vasileios01 | Deriving Symmetric Keys | 40 | |
| Vasileios01 | Parameter Injection | 60 | |
| jacbop | Great Snakes | 3 | |
| jacbop | Finding Flags | 2 | |
| alexandros | Legendre Symbol | 35 | |
| alexandros | Quadratic Residues | 25 | |
| helent | You either know, XOR you don't | 30 | |
| alexandros | Modular Inverting | 25 | |
| alexandros | Modular Arithmetic 2 | 20 | |
| B1gBr00klyn | You either know, XOR you don't | 30 | |
| alexandros | Modular Arithmetic 1 | 20 | |
| B1gBr00klyn | Favourite byte | 20 | |
| helent | Favourite byte | 20 | |
| alexandros | Extended GCD | 20 | |
| 2uerti | Legendre Symbol | 35 |
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