I think XMPP.

  • poVoq@lemmy.ml
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    3 years ago

    Hmm, sadly that isn’t the case, a lot of metadata on XMPP is also exchanged only TLS transport encrypted and is thus available on the server in clear text. The main difference to Matrix is that it generates and exchanges much less metadata and most XMPP servers are configured to delete all the metadata after a relatively short period of time.