Requirements to earn BAT with Brave Rewards Follow
In order to earn and accrue BAT for Brave Ads in Brave Rewards in version 1.48.x or higher of Brave, you will need to connect a custodial account to your Brave Rewards profile.
For existing Rewards users, while you do not have a custodial account connected, your "Estimated earnings" for the month will be blank, as you won't be earning. However, once you're verified and have a custodial account connected, you will resume earning BAT, and your estimated earnings counter will display again as normal.