| Date | User | Challenge | Score |
| arefin1732 | XOR Starter | 10 | |
| 541887891367 | Bytes and Big Integers | 10 | |
| 541887891367 | Base64 | 10 | |
| arden_mie | ASCII | 5 | |
| turtur | Finding Flags | 2 | |
| warixius | Extended GCD | 20 | |
| Alexandro | Hex | 5 | |
| 0rileyia | Great Snakes | 3 | |
| arden_mie | Great Snakes | 3 | |
| 0rileyia | Finding Flags | 2 | |
| waithaka | Greatest Common Divisor | 15 | |
| arefin1732 | Bytes and Big Integers | 10 | |
| DimsTzy | RSA Decryption | 20 | |
| arefin1732 | Base64 | 10 | |
| arefin1732 | Hex | 5 | |
| rafiiahmad21 | RSA Decryption | 20 | |
| arefin1732 | ASCII | 5 | |
| rafiiahmad21 | Private Keys | 20 | |
| arefin1732 | Great Snakes | 3 | |
| renkon | You either know, XOR you don't | 30 | |
| arefin1732 | Finding Flags | 2 | |
| Occultist4484 | Base64 | 10 | |
| rafiiahmad21 | Euler's Totient | 20 | |
| turska | Elliptic Nodes | 150 | |
| saltsr0073d | Keyed Permutations | 5 | |
| yoavb | Privacy-Enhanced Mail? | 25 | |
| mrmandoohshit | Great Snakes | 3 | |
| Kaczkiej_ | ASCII | 5 | |
| Alexandro | ASCII | 5 | |
| Faizsyahril | Quadratic Residues | 25 | |
| saltsr0073d | Modular Binomials | 80 | |
| mrmandoohshit | Finding Flags | 2 | |
| saltsr0073d | Adrien's Signs | 80 | |
| rafiiahmad21 | Public Keys | 15 | |
| saltsr0073d | Chinese Remainder Theorem | 40 | |
| saltsr0073d | Modular Square Root | 35 | |
| saltsr0073d | Legendre Symbol | 35 | |
| tieuchocute | Modular Inverting | 25 | |
| gaigule334 | XOR Starter | 10 | |
| saltsr0073d | Quadratic Residues | 25 | |
| renkon | Favourite byte | 20 | |
| saltsr0073d | Modular Inverting | 25 | |
| Kaczkiej_ | Great Snakes | 3 | |
| saltsr0073d | Modular Arithmetic 2 | 20 | |
| rafiiahmad21 | Modular Exponentiation | 10 | |
| saltsr0073d | Modular Arithmetic 1 | 20 | |
| Nurmansyah | RSA Decryption | 20 | |
| yoavb | Encoding Challenge | 40 | |
| Nurmansyah | Private Keys | 20 | |
| gaigule334 | Bytes and Big Integers | 10 |
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