youjie
Solves
| Challenge | Category | Value | Time |
| QR | Warm Up | 20 | |
| Secure Shell | Warm Up | 20 | |
| Net Cat | Warm Up | 20 | |
| Web warmup | Web | 20 | |
| Forensics Warm Up 1 | Forensics | 20 | |
| Simple Overflow | Binary | 20 | |
| Beginner Reverse 1 | Reverse Engineering | 50 | |
| Recette Secrète | Cryptography | 20 | |
| Beware of SHA1rk | Cryptography | 20 | |
| Simple RSA | Cryptography | 20 | |
| Stegnography 1 | Steganography | 100 | |
| Quick Survey | Warm Up | 400 | |
| Auth Me 1.0 | Binary | 20 | |
| Hex To ASCII | Mini Game | 100 | |
| Discord | Warm Up | 10 | |
| SKR Lang | Cryptography | 20 | |
| Find it! | OSINT | 500 | |
| Small-E | None | 20 | |
| Simple Diffie-Hellman | None | 20 | |
| Wiener's RSA | None | 20 | |
| I am Samuel Morse! | Cryptography | 100 | |
| Year 1993 by Urban Müller | Cryptography | 300 |