Cipherchat: A New Era of Private Messaging on the Lightning Network • LightningNetwork+
https://lightningnetwork.plus/posts/488

How Cipherchat Functions
Cipherchat's operation hinges on the innovative use of the Lightning Network. Users connect their Lightning node to the app through Lightning Node Connect (LNC), utilizing a pairing phrase from the Lightning Terminal. This process establishes an end-to-end encrypted connection between the user's node and the web app, facilitated by an LNC Mailbox relay proxy server. The entire architecture of Cipherchat is open-source, encouraging transparency and community involvement. Communication occurs through keysend payments, each carrying a message, ensuring a secure and private exchange of information.
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 Hpw does this differ from Sphinx chat? What are tradeoffs vs using other things like SimpleX, or Briar? How do these all compare/drawbacks?