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privatize_universe | 9 months ago (raw) | root | parent | reply | flag 
 Are you sure that signal use XMPP?
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Etg | 9 months ago (raw) | root | parent | reply | flag 
 Not 100%, because I never found a confirmation of it. But it uses omemo that is a xmpp extension. WhatsApp I'm sure it does.
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Etg | 9 months ago (raw) | root | parent | reply | flag 
 WhatsApp uses a customized version of the open standard Extensible messaging and presence protocol (XMPP).[210] Upon installation, it creates a user account using the user's phone number as the username (Jabber ID: [phone number]@s.whatsapp.net).
https://en.m.wikipedia.org/wiki/WhatsApp
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Etg | 9 months ago (raw) | root | parent | reply | flag 
 And by how signal collaborated with WhatsApp encryption I would say it's very likely signal is xmpp also. But no confirmation so far.
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privatize_universe | 9 months ago (raw) | root | parent | reply | flag +1 
 It look more like omemo has been originaly based on signal protocol as try to implement it for xmpp not that signal uses omemo.

Even if signal has been based on xmpp (which i don't think it is), first release is from 2014, 10 years of independet development is somethink which can kill compatibility.

We have sourcecode of signal on github. I try look at it when i have time.
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85ac6d4b | 9 months ago (raw) | root | parent | reply | flag 
 🤣😁😂