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Matrix: Every home server involved in the chat stores the message, and messages on matrix are therefore most considered permanent. As matrix is federated, ever
by arghwhat 6y ago
Matrix: Every home server involved in the chat stores the message, and messages on matrix are therefore most considered permanent.
As matrix is federated, every user can be on their own homeserver, which will be storing a copy of all messages seen by that user.
E2E is more recent and optional. Most rooms are not E2E, and have browsable history.
Signal: Only E2E, with clients themselves storing the only copy of messages. You can only see messages that a device has received.
Any app you did not write/review and compile requires trusting the author, so this is not a signal specific concern. A crypto app can always store and send keys to a server if it wanted.
However, unlike WhatsApp, these apps are open source and can be reviewed and compiled if you so desire.
- kitkat_new 6y agoI doubt that most rooms are not E2EE. People usually have more private conversations than public ones. Private rooms are the default and they default to E2EE.
- oehtXRwMkIs 6y agoE2EE by default is a recent change so I doubt it.
- snvzz 6y ago>E2E is more recent and optional. Most rooms are not E2E, and have browsable history. E2E is actually turned on by default, as of about one year ago.
- eredengrin 6y ago> Most rooms are not E2E, and have browsable history. Not sure how this is meaningful especially without further context. A large number of rooms on matrix are public channels to begin with (eg bridged rooms from irc, open source collaboration channels, etc), so they have no need for e2e encryption. All this is really saying is that E2EE is optional, which you already said (and which I'd also argue is probably irrelevant, especially given that E2EE is on by default).