Adding on to this, Firebase isn't structured to support end-to-end encryption by default. Our client-server architecture is built and optimized for that intenti

Adding on to this, Firebase isn't structured to support end-to-end encryption by default. Our client-server architecture is built and optimized for that intention. I don't think you could build a performant end-to-end encrypted application with Firebase very easily. Userbase fills that role with a super simple SDK