Brave is open source, so their ad blocking mechanisms are transparent: https://github.com/brave/adblock-rust https://github.com/brave/adblock-rust Here is an

Brave is open source, so their ad blocking mechanisms are transparent: https://github.com/brave/adblock-rust https://github.com/brave/adblock-rust Here is an excerpt of the read.me: It uses a tokenisation approach for quickly reducing the potentially matching rule search space against a URL. The algorithm is inspired by, and closely follows the algorithm of uBlock Origin and Cliqz.