Hi Brave people,
I just came across an issue where i could not sign in in Bing rewards; and after reading some posts here didn’t find a solution that worked for me…
…until I tried this:
in brave shield I allowed all cookies
in Brave settings (in search bar type cookie) : cookies : allow all cookies and Device recognition : Allow All Devices Recognition Attempt
and it worked ! Now I can sign in with Bing and its reward program. Hope it will help some you.