> Unlike WhatsApp or Signal, Messenger also still works over the Web without an app or a smartphone-based login: how do you implement credible E2E over the Web, without using the phone as a crutch? How do you allow multi-device support, with a message history, and do E2E on all conversations?
Wire [1] does multi-device E2E encryption, sync of message history and allows users to use phone numbers and email addresses as identifiers. It also uses the Signal protocol.
Note: I do not work for Wire nor am I associated with it in any way, except as a user. I discovered it only recently and am trying it out, in addition to using Telegram as my most frequent client and Signal.
Wire [1] does multi-device E2E encryption, sync of message history and allows users to use phone numbers and email addresses as identifiers. It also uses the Signal protocol.
Note: I do not work for Wire nor am I associated with it in any way, except as a user. I discovered it only recently and am trying it out, in addition to using Telegram as my most frequent client and Signal.
[1]: wire.com