> they often backup everything in a central location like Whatsapp/Telegram/Signal which put everything in your Google account without any additional crypto layers
I don't know about the others but I don't think Signal does this. Signal offers the user the ability to backup their messages, and lets them password protect them, but the way you've written this implies Signal is uploading messages to Google of its own volition, unencrypted, which afaik is not the case.
I don't know about the others but I don't think Signal does this. Signal offers the user the ability to backup their messages, and lets them password protect them, but the way you've written this implies Signal is uploading messages to Google of its own volition, unencrypted, which afaik is not the case.