[JBiserkov]

Signal has server-side chat history, no? And the protocol is open. So that part of the argument is moot.

[duskwuff]

Signal chat history is client-side. You have to explicitly "back up" and "restore" messages to move to a new device, and if you lose your phone, your chat history is gone forever.

https://support.signal.org/hc/en-us/articles/360007059752-Ba...