| Challenge | Category | Author | Solved | Score | |
|---|---|---|---|---|---|
| 1. | Fancy text | Cryptography | Superior | 0 | 1000 |
| 2. | Prime or not Prime | Cryptography | Superior | 0 | 1000 |
| 3. | Collision finder | Cryptography | Superior | 1 | 1000 |
| 4. | Clash of MD5 | Cryptography | Superior | 2 | 999 |
| 5. | RandCrack | Cryptography | Superior | 3 | 997 |
| 6. | Unknown data | Forensics | Superior | 3 | 997 |
| 7. | Error | Reverse Engineering | ByamB4 | 4 | 994 |
| 8. | Proof of work | Reverse Engineering | Superior | 4 | 994 |
| 9. | Unknown seed | Cryptography | Superior | 5 | 990 |