I just downloaded and started using this today. It is still limited in what it can do, kind of like how Edge in Windows 10 is limited. It is based off of Chromium, but there is no way to install Chrome extensions and plug-ins that I can find. However, it loads pages very fast and looks promising.
This is how Bleeping Computer looks
This is Breitbart.com to show the ad-replacement feature of Brave Browser. Currently it is not actually replacing the ads with Brave ads, maybe there are no Brave ads yet.
Here are relevant links for people who are curious:
Ad Replacement explanation