Seems likely, given this faq: >Do I need the Brave browser to use Brave Talk? >Yes and no. To start a call, you’ll need to be on the Brave browser. However, p

Seems likely, given this faq: >Do I need the Brave browser to use Brave Talk? >Yes and no. To start a call, you’ll need to be on the Brave browser. However, people you invite to a call can join from any browser. They just need the call link. So, most of it already functions on other browsers...they are gating the "start a call" bit. The faq has some details on some sort of encryption relay they have 8x8 run for them, so maybe there's some key management stuff in the brave browser?