Firewalls are your first defense from hackers. The higher your Firewall level the longer it will take hackers to Bypass it and it reduces their chance of Bypassing successfully. Firewalls can be upgraded from the store or downloaded from other player's devices.
Store Prices
Each level seems to cost: (Current level cost) + 600
| Level | Price |
|---|---|
| 1 | Starting Device |
| 2 | |
| 3 | 1,800 Bitcoins |
| 4 | |
| 5 | 3,000 Bitcoins |
| 6 |
3,600 Bitcoins |
| 7 | |
| 8 | 4,800 Bitcoins |
| 9 | 5,400 Bitcoins |
| 10 | |
| 11 | 6,600 Bitcoins |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 |