| Date | User | Challenge | Score |
| itamar_rot | Missing Modulus | 80 | |
| dkoazwlearning | Adrien's Signs | 80 | |
| samuel123 | Favourite byte | 20 | |
| jarinios | Noise Free | 40 | |
| rightnite | Manyprime | 40 | |
| dkoazwlearning | Chinese Remainder Theorem | 40 | |
| amisa | Quadratic Residues | 25 | |
| valh4x | Ticket Maestro (CryptoHack) | 0 | |
| valh4x | Ticket Maestro | 200 | |
| samuel123 | XOR Properties | 15 | |
| rightnite | Monoprime | 30 | |
| abraxii | Symmetry | 50 | |
| dkoazwlearning | Modular Square Root | 35 | |
| rightnite | Factoring | 15 | |
| itamar_rot | Backpack Cryptography | 120 | |
| amisa | Modular Inverting | 25 | |
| rightnite | RSA Signatures | 25 | |
| manuel_racle | The Good, The Pad, The Ugly | 100 | |
| amisa | Modular Arithmetic 2 | 20 | |
| Aakash_Tarang | Legendre Symbol | 35 | |
| rightnite | RSA Decryption | 20 | |
| Abel2004 | Modular Inverting | 25 | |
| Abel2004 | Modular Arithmetic 2 | 20 | |
| Abel2004 | Modular Arithmetic 1 | 20 | |
| safwan | Merkle Trees | 25 | |
| Abel2004 | Extended GCD | 20 | |
| rightnite | Private Keys | 20 | |
| Aakash_Tarang | Modular Inverting | 25 | |
| Aakash_Tarang | Modular Arithmetic 2 | 20 | |
| amisa | Modular Arithmetic 1 | 20 | |
| Aakash_Tarang | Modular Arithmetic 1 | 20 | |
| Swivan | Lemur XOR | 40 | |
| Abel2004 | Greatest Common Divisor | 15 | |
| Aakash_Tarang | Extended GCD | 20 | |
| Ap4sh | Megalomaniac 1 | 100 | |
| rightnite | Euler's Totient | 20 | |
| Aakash_Tarang | Greatest Common Divisor | 15 | |
| rightnite | Public Keys | 15 | |
| etcaetera | Chinese Remainder Theorem | 40 | |
| rightnite | Modular Exponentiation | 10 | |
| emowraith | Resisting Bruteforce | 10 | |
| emowraith | Keyed Permutations | 5 | |
| rightnite | Bean Counter | 60 | |
| emowraith | Modular Binomials | 80 | |
| dkoazwlearning | Legendre Symbol | 35 | |
| Parag | Bringing It All Together | 50 | |
| rightnite | Symmetry | 50 | |
| Aakash_Tarang | Curveball | 100 | |
| etcaetera | Modular Square Root | 35 | |
| Swivan | You either know, XOR you don't | 30 |
You are now level Current level