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Extensible Message Transport Protocol

The XMPT Protocol allows private messaging between blockchain accounts. The primary contributor to this open protocol is XMTP labs (funded by top venture capital funds)

What can it enable?

wallet to wallet direct messaging

app to wallet notifications

creator to community announcements

Properties:

• supports real time conversations
• Each user’s inbox is portable as the inbox is tied to identity rather than a client - the same inbox can be utilized for any app that uses XMTP
• chain agnostic but requires EVM account
  • only works with ETH accounts
• message are stored off chain in XMTP network
• most messages require no fee
• Each message is encrypted and can only be read by the message participant
• currently can only run on a java script environment
• Currently only supports use with Java script and React apps