JING XUEN
Solves
| Challenge | Category | Value | Time |
| Beginner Reverse 2 | Reverse Engineering | 50 | |
| Beginner Reverse 3 | Reverse Engineering | 50 | |
| Year 1993 by Urban Müller | Cryptography | 300 | |
| Beware of SHA1rk | Cryptography | 20 | |
| Julius Caesar | Cryptography | 100 | |
| QR | Warm Up | 20 |