| Date | User | Challenge | Score |
| asma26 | Modular Exponentiation | 10 | |
| Pucc3 | Quadratic Residues | 25 | |
| UrLastWish | Curves and Logs | 40 | |
| suiya | Extended GCD | 20 | |
| asma26 | Legendre Symbol | 35 | |
| zegunbuar | You either know, XOR you don't | 30 | |
| Anon3605 | XOR Properties | 15 | |
| suiya | Greatest Common Divisor | 15 | |
| Moumise | XOR Starter | 10 | |
| zegunbuar | Favourite byte | 20 | |
| zizo778t | Finding Flags | 2 | |
| tempmail12345678 | Decrypting TLS 1.3 | 35 | |
| tranchsanto | A Joke Cipher (HKCERT CTF) | 0 | |
| Drag0sh | XOR Properties | 15 | |
| matthewkevin | Encoding Challenge | 40 | |
| ynwa_ | Chinese Remainder Theorem | 40 | |
| matthewkevin | Bytes and Big Integers | 10 | |
| matthewkevin | Base64 | 10 | |
| zegunbuar | XOR Properties | 15 | |
| matthewkevin | Hex | 5 | |
| tempmail12345678 | Decrypting TLS 1.2 | 30 | |
| matthewkevin | ASCII | 5 | |
| Yatogami | Greatest Common Divisor | 15 | |
| Anon3605 | XOR Starter | 10 | |
| zegunbuar | XOR Starter | 10 | |
| Anon3605 | Bytes and Big Integers | 10 | |
| EOGWAYO | Greatest Common Divisor | 15 | |
| Drag0sh | XOR Starter | 10 | |
| tempmail12345678 | Saying Hello | 20 | |
| Yatogami | You either know, XOR you don't | 30 | |
| flickzy | Modular Arithmetic 2 | 20 | |
| RUDYanas | XOR Properties | 15 | |
| Drag0sh | Bytes and Big Integers | 10 | |
| ynwa_ | Modular Square Root | 35 | |
| Moumise | Bytes and Big Integers | 10 | |
| victorhenriq3 | Finding Flags | 2 | |
| SwatSecOne | Modular Binomials | 80 | |
| SwatSecOne | Adrien's Signs | 80 | |
| zegunbuar | Bytes and Big Integers | 10 | |
| SwatSecOne | Chinese Remainder Theorem | 40 | |
| SwatSecOne | Modular Square Root | 35 | |
| SwatSecOne | Legendre Symbol | 35 | |
| SwatSecOne | Quadratic Residues | 25 | |
| tempmail12345678 | TLS Handshake | 15 | |
| Pucc3 | Modular Inverting | 25 | |
| vermithor | Bytes and Big Integers | 10 | |
| Drag0sh | Base64 | 10 | |
| SwatSecOne | Modular Inverting | 25 | |
| SwatSecOne | Modular Arithmetic 2 | 20 | |
| Pucc3 | Modular Arithmetic 2 | 20 |
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