Now here the little about information about brave, if you installed BRAVE browser in the early stage now brave start funding coin in your browser wallet about 20 BTA. but these you can not withdraw only you can tip your favorite site directly from your browser.
For viewing your amount click on the red triangle above the browser(new updated browser) OR
click three doted (:) menu button and then click brave rewards and now you can see your balance.
If you don't know what is brave browser read my this post.
Here you can see the funded amount in my wallet.