kuhen
Solves
| Challenge | Category | Value | Time |
| Warm Up | Warm Up | 20 | |
| QR | Warm Up | 20 | |
| Julius Caesar | Cryptography | 100 | |
| Simple Diffie-Hellman | None | 20 | |
| Simple RSA | Cryptography | 20 | |
| Forensics Warm Up 1 | Forensics | 20 | |
| Forensics Warm Up 2 | Forensics | 50 | |
| Base64 | Warm Up | 20 | |
| Web warmup | Web | 20 | |
| Where is the flag? | Web | 20 |