How many products are there where privacy is a core part of why it’s successful?

I’m leaving scale of “success” ambiguous so I get more answers.

Working on building zkTLS infra/products. A ruthless empiricist and meme connoisseur.

http://opacity.network

Took my curiosity on a hike, came back with a startup, and a stray cat. 

"Even with Brave Rewards enabled and a Rewards Payment ID assigned, we never collect your browsing history or similar information, and we can’t derive this information from your contributions to content creators or sites. We also cannot tell which specific Brave Private Ads you’ve seen or interacted with."

Brave pays you for advertising right?

Do they collect data to help targeting?