Librewolf and mullvad are the two browsers that give more score in privacytests.org.

On the other hand chromium has been detected telemetry on occasion and also brave, I do not like the shitcoin of brave. 

 good point. is there an adblocker for those which is as good as brave's? in fact, the adblocking, especially for YouTube, is the only reason came back to brave 

 Ublock origin, already integrated with librewolf and mulvad