| Date | User | Challenge | Score |
| Mageto | Modular Inverting | 25 | |
| turska | Efficient Exchange | 50 | |
| Fairuz_2107 | Quadratic Residues | 25 | |
| Fairuz_2107 | Modular Inverting | 25 | |
| Fairuz_2107 | Modular Arithmetic 2 | 20 | |
| Fairuz_2107 | Modular Arithmetic 1 | 20 | |
| Fairuz_2107 | Extended GCD | 20 | |
| Fairuz_2107 | Greatest Common Divisor | 15 | |
| nicocamba | XOR Properties | 15 | |
| kd3army | Curves and Logs | 40 | |
| Fairuz_2107 | You either know, XOR you don't | 30 | |
| Ramido_jawesa532 | Modular Binomials | 80 | |
| Fairuz_2107 | Favourite byte | 20 | |
| galihwicaak | Modular Binomials | 80 | |
| lvcv4y | Curveball | 100 | |
| galihwicaak | Adrien's Signs | 80 | |
| Mageto | Modular Arithmetic 2 | 20 | |
| galihwicaak | Chinese Remainder Theorem | 40 | |
| FadhilaPasha | RSA Decryption | 20 | |
| Fairuz_2107 | XOR Properties | 15 | |
| Fairuz_2107 | XOR Starter | 10 | |
| galihwicaak | Modular Square Root | 35 | |
| Ramido_jawesa532 | Adrien's Signs | 80 | |
| Fairuz_2107 | Bytes and Big Integers | 10 | |
| Heazzy | Round Keys | 20 | |
| Mageto | Modular Arithmetic 1 | 20 | |
| galihwicaak | Legendre Symbol | 35 | |
| Naaga9302 | Great Snakes | 3 | |
| agrocos | Passwords as Keys | 50 | |
| galihwicaak | Quadratic Residues | 25 | |
| MEDWS | XOR Properties | 15 | |
| catbottle | Bytes and Big Integers | 10 | |
| FadhilaPasha | Private Keys | 20 | |
| galihwicaak | Modular Inverting | 25 | |
| Naaga9302 | Finding Flags | 2 | |
| galihwicaak | Modular Arithmetic 2 | 20 | |
| refania | RSA Signatures | 25 | |
| septyalmeria | RSA Signatures | 25 | |
| alyasavi | RSA Signatures | 25 | |
| galihwicaak | Modular Arithmetic 1 | 20 | |
| galihwicaak | Extended GCD | 20 | |
| galihwicaak | Greatest Common Divisor | 15 | |
| MrNught | Resisting Bruteforce | 10 | |
| Heazzy | Structure of AES | 15 | |
| Ramido_jawesa532 | Chinese Remainder Theorem | 40 | |
| martacbraga | LWE High Bits Message | 15 | |
| refania | RSA Decryption | 20 | |
| septyalmeria | RSA Decryption | 20 | |
| alyasavi | RSA Decryption | 20 | |
| Ario_497 | Finding Flags | 2 |
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