JunYuan
Solves
| Challenge | Category | Value | Time |
| Base64 | Warm Up | 20 | |
| QR | Warm Up | 20 | |
| Warm Up | Warm Up | 20 | |
| Discord | Warm Up | 10 | |
| What is ROT? | Cryptography | 50 | |
| Net Cat | Warm Up | 20 | |
| Forensics Warm Up 1 | Forensics | 20 | |
| Web warmup | Web | 20 | |
| Secure Shell | Warm Up | 20 | |
| Beginner Reverse 1 | Reverse Engineering | 50 | |
| Patience Test | Warm Up | 300 | |
| Simple Overflow | Binary | 20 | |
| Overflow Me! | Binary | 20 | |
| File Signature | Forensics | 20 | |
| Forensics Warm Up 2 | Forensics | 50 | |
| File Signature 2 | Forensics | 20 | |
| Julius Caesar | Cryptography | 100 | |
| I am Samuel Morse! | Cryptography | 100 | |
| Beware of SHA1rk | Cryptography | 20 | |
| I am Samuel Morse 2! | Cryptography | 200 | |
| Beginner Reverse 2 | Reverse Engineering | 50 | |
| Beginner Reverse 3 | Reverse Engineering | 50 | |
| Beginner Reverse 4 | Reverse Engineering | 50 |