HeXA
265th place
400 points
Solves
| Challenge | Category | Value | Time |
| What to do with PPC? | Beginner_ | 0 | |
| Deep stego in the office | Beginner_ | 50 | |
| Buy a cat | Web_ | 50 | |
| Unrevealed secret | Crypto_ | 50 | |
| Stego with errors | Beginner_ | 50 | |
| Sanitary inspection | Beginner_ | 50 | |
| DLP on Z|nZ | Crypto_ | 100 | |
| Random cipher | Reverce_ | 50 |