| Date | User | Challenge | Score |
| boramae | Hex | 5 | |
| boramae | ASCII | 5 | |
| boramae | Great Snakes | 3 | |
| second | Great Snakes | 3 | |
| boramae | Finding Flags | 2 | |
| second | Finding Flags | 2 | |
| Maram_AYER | Base64 | 10 | |
| chrislologist | You either know, XOR you don't | 30 | |
| Maram_AYER | Hex | 5 | |
| astelor | Resisting Bruteforce | 10 | |
| astelor | Keyed Permutations | 5 | |
| astelor | Modular Inverting | 25 | |
| chrislologist | Favourite byte | 20 | |
| chrislologist | XOR Properties | 15 | |
| niq | Extended GCD | 20 | |
| astelor | Modular Arithmetic 2 | 20 | |
| niq | Greatest Common Divisor | 15 | |
| hakka52 | CSIDH Key Exchange | 90 | |
| Crypto_gram | Greatest Common Divisor | 15 | |
| Deep0x20 | Finding Flags | 2 | |
| hakka52 | Twisted CSIDH Isogenies | 70 | |
| bielito | ASCII | 5 | |
| bielito | Great Snakes | 3 | |
| bielito | Finding Flags | 2 | |
| gulliver | Point Addition | 30 | |
| Crypto_gram | Lemur XOR | 40 | |
| VxRabbit | Modular Inverting | 25 | |
| gulliver | Point Negation | 10 | |
| Maram_AYER | ASCII | 5 | |
| b1b00www | RSA Backdoor Viability | 175 | |
| Maram_AYER | Great Snakes | 3 | |
| VxRabbit | Modular Arithmetic 2 | 20 | |
| chrislologist | XOR Starter | 10 | |
| nickder | Quadratic Residues | 25 | |
| Maram_AYER | Finding Flags | 2 | |
| chrislologist | Bytes and Big Integers | 10 | |
| Federica838 | Finding Flags | 2 | |
| Antonio_margaret | You either know, XOR you don't | 30 | |
| Iamhacker | Finding Flags | 2 | |
| gulliver | Background Reading | 5 | |
| gulliver | Secure Protocols | 5 | |
| achu72 | Extended GCD | 20 | |
| achoooo | Extended GCD | 20 | |
| python_error404 | Modular Square Root | 35 | |
| Antonio_margaret | Favourite byte | 20 | |
| j_m | Montgomery's Ladder | 40 | |
| Sherpearce | Round Keys | 20 | |
| Antonio_margaret | XOR Properties | 15 | |
| corslyn | ZKP Introduction | 5 | |
| j_m | Digestive | 60 |
You are now level Current level