Both projects have a lot of dirty laundry. Firefox is the last remaining browser engine not controlled by Google and Brave is focused on protecting user privacy.
I was on Firefox for a long time until I got fed up with them not agressively protecting privacy and decided to switch. But that was hard because that put me on Google's engine.
Socia is the Esperanto word for “social”. All domains that end with “.dev” can only be served over HTTPS. This guarantees that all interactions on Socia DEV will always be secure.