[anticensor]

Signal the protocol can be and is implemented by third parties. Signal the platform, is different. Keep in mind Signal's only centralised part is thin server that acts as a relay. Matrix is a thin client protocol that relies on server to enforce soundness rules.

[tcfhgj]

IDK what's your point. A encryption protocol isn't enough to replace SMS. Linearized Matrix is, and uses the Signal Protocol, though MLS probably would be a more future proof solution