> Simply observe the event in which a user does a query q in Brave and then, within one hour, does the same query on a different search engine. What we do is to move the script that detects bad-queries to the browser, run it against the queries that the user does in real-time and then, when all conditions are met, send the following data back to our servers. Wait. Brave browser sends back to Brave Search engine about…
This is (importantly) opt-in. "Brave doesn’t follow the sneaky practices of other big tech search engines. The Web Discovery Project is opt-in, and the data collected under the Web Discovery Project has specific protections to ensure anonymity." per https://support.brave.com/hc/en-us/articles/4409406835469-Wh...
That said, stuff like Jedi Blue and Project Bernanke suggest Brave could just disclose they support competitive markets.