FastSync is a feature in the BRD app that allows your Bitcoin and Bitcoin Cash wallets to sync in seconds.

On your Bitcoin wallet, follow these steps to enable FastSync:

1. Tap Menu
2. Select Preferences
3. Tap Bitcoin Settings
4. Tap Connection Mode
5. Turn the toggle switch on

Note: If you are on the latest version of the BRD app, FastSync is enabled by default on your Bitcoin Cash wallet.