zsm
235th place
450 points
Solves
| Challenge | Category | Value | Time |
| DLP on Z|nZ | Crypto_ | 100 | |
| What to do with PPC? | Beginner_ | 0 | |
| Found on my Windows | Misc_ | 50 | |
| Dogs running in a circle | Misc_ | 50 | |
| Last hash | Misc_ | 50 | |
| Sanitary inspection | Beginner_ | 50 | |
| Unrevealed secret | Crypto_ | 50 | |
| Very Secure App | Web_ | 50 | |
| Buy a cat | Web_ | 50 |