Solves
| Challenge | Category | Value | Time |
| Modulus RSA | beginner | 50 | |
| cipher block clock | beginner | 50 | |
| ezcoppersmith | crypto | 50 | |
| shelltester | beginner | 94 | |
| key | beginner | 50 | |
| encryptor | beginner | 50 |
| Challenge | Category | Value | Time |
| Modulus RSA | beginner | 50 | |
| cipher block clock | beginner | 50 | |
| ezcoppersmith | crypto | 50 | |
| shelltester | beginner | 94 | |
| key | beginner | 50 | |
| encryptor | beginner | 50 |