3NUM
3NUM provides secure wallet-to-wallet and wallet-to-phone number messaging.

Ethereum Org repository of the specifications for peer-to-peer communication.
DEVp2p Wire Protocol defines the protocols for communication in the way TCP does across networks. Developers can raise issues to discuss improvements, contribute, or provide feedback to the DEVp2p Wire Protocol and the other network protocol specifications contained in the same project. Although hosted by Ethereum, these specifications apply across chains.
Explore competitors and apps like DEVp2p Wire Protocol.
3NUM provides secure wallet-to-wallet and wallet-to-phone number messaging.
A permissionless cross-chain messaging router that provides the easiest way to establish new dapps.
Delivers secure cross-chain communication
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