#crypto #martix #xmpp

Open extensible protocol?
xmpp: Yes. It is allowed to add the protocols of other messengers to the protocol XMPP (include protocol Matrix).
matrix: No

Commertical project?
xmpp: No
matrix: Symbiosis Company New Vector Ltd (Riot) + The Matrix.org Foundation C.I.C. Nonprofit company collects donations. A commercial company provides paid services.

Government sponsorship?
xmpp: French government prohibition of encryption OMEMO. Reason high level encryption and easy [1]
matrix:

e2e encryption?
xmpp: OMEMO ,OTR , OTR3, PGP ECC, PGP RSA
matrix: Olm

Monopoly network?
xmpp: Many severs. Many clients
matrix: Most users use only Riot + Matrix.org

Fault-tolerance>
xmpp: Yes (2 000 000 device to 1 node)
matrix: No (Support cloudflare cache-proxy reduces load)

Cost of service 1 active device?
xmpp: > $0.01 / m
matrix: ~ $1 / m

Support one client for different OS?
xmpp: No. Lack of funding
matrix: Web-client Riot is based on Chromium and has support for all operating systems that support chromium.

Use in big network?
xmpp: XMPP uses Google, WhatsApp, IBM, LiveJournal, NSA, US military, Jitsi and etc
matrix: No

https://wiki.404.city/en/XMPP_vs_Matrix