| Date | User | Challenge | Score |
| phat1911 | RSA Signatures | 25 | |
| Jessiinfinteloop | ECB Oracle | 60 | |
| 70e1gxk3 | Finding Flags | 2 | |
| sankatmochan | ZKP Introduction | 5 | |
| Pravy | ECB CBC WTF | 55 | |
| SignalNet4 | Diffusion through Permutation | 30 | |
| verion | ASCII | 5 | |
| Sidd | Finding Flags | 2 | |
| Pravy | Passwords as Keys | 50 | |
| Wanini | Computing Shared Secrets | 30 | |
| Pravy | Modes of Operation Starter | 15 | |
| Wanini | Computing Public Values | 25 | |
| Wanini | Generators of Groups | 20 | |
| Wanini | Working with Fields | 10 | |
| Wanini | Modulus Inutilis | 50 | |
| 4rg0 | RSA Decryption | 20 | |
| 0x0n0m4d | Favourite byte | 20 | |
| doanydz | Hex | 5 | |
| grazkaa | WOTS Up 2 | 90 | |
| Pravy | Bringing It All Together | 50 | |
| Wanini | Salty | 20 | |
| Wanini | Manyprime | 40 | |
| kotoko | Bringing It All Together | 50 | |
| doanydz | ASCII | 5 | |
| Pravy | Diffusion through Permutation | 30 | |
| 4rg0 | Private Keys | 20 | |
| Pravy | Confusion through Substitution | 25 | |
| doanydz | Great Snakes | 3 | |
| doanydz | Finding Flags | 2 | |
| kotoko | Diffusion through Permutation | 30 | |
| 0x0n0m4d | XOR Properties | 15 | |
| 4rg0 | Euler's Totient | 20 | |
| Thorbeam | Hash Stuffing | 50 | |
| 4rg0 | Public Keys | 15 | |
| 4rg0 | Modular Exponentiation | 10 | |
| phat1911 | RSA Decryption | 20 | |
| aravhacks | XOR Starter | 10 | |
| phat1911 | Private Keys | 20 | |
| subatomic | ASCII | 5 | |
| subatomic | Great Snakes | 3 | |
| subatomic | Finding Flags | 2 | |
| conor13rp | Find the Lattice | 100 | |
| bokthefish | Scalar Multiplication | 35 | |
| Khazap | ASCII | 5 | |
| kotoko | Confusion through Substitution | 25 | |
| Khazap | Great Snakes | 3 | |
| Khazap | Finding Flags | 2 | |
| jiuchengovo | Modular Inverting | 25 | |
| lucky123 | Curves and Logs | 40 | |
| ltwind_v2 | Couples | 100 |
You are now level Current level