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

Relay combines wallet messaging, EVM app & address directory, and Lens connections.
Relay is an open-source chat widget (like Intercom) that allows sites to quickly get an XMTP wallet messaging chatbox installed on their site. Relay aims to decentralize communication between Web3 personas (+account abstraction on XMTP) and the DAOs and companies they want to interact with. ChatGPT embedding will help users talk to dApps and transact with smart contracts in a conversational way.
Explore competitors and apps like Relay.
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
Ethereum Org repository of the specifications for peer-to-peer communication.
dm3 is a messaging protocol focused on e2ee, scalability, decentralization, and interoperability.
Earnifi is THE Web3 notification platform, earning folks over $150 million USD since its launch.

We can help you build with these technologies.
We build dApps, smart contracts and Web3 solutions for startups and fintech.