Those are probably telemetry pings used to mine crypto.

Somehow Brave maintains a general reputation for privacy, but people who are serious about privacy will tell you that it’s actually pretty terrible.

I’ve seem so many ads for Brave Browser… If it’s supposed to be private and anonymous and a free browser - where are they getting all this money for all those ads?

“be”? Who told you that? ChatGPT? A page selling NFTs?