Hi, my name is Pete and I’m the privacy researcher at Brave. The easiest way to see this working is to visit this blog post, scroll down to the “Solution: Prevent Fingerprinting By Randomizing” section, and follow steps 1-4 there.
Also, you may be interested in additional fingerprinting endpoints we’re working on. This blog post has a the full initial set of features we’ll modify for the first round.
Hope this helps!