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

xCall is a standardized interface designed to simplify cross-chain development.
Our intention with xCall was to make it as easy as possible for developers to extend the reach of their dApps across multiple ecosystems from the comfort of their preferred chains. Here are some key features that make xCall a powerful tool for building cross-chain applications: - Seamless Connectivity**:** xCall simplifies the process of calling contracts to destination chains from source chains by using a single standard across all protocols - Extensibility**:** xCall is a lightweight contract that can extend across any protocol and we will expand support for additional cross-chain message protocols as they emerge - Growing Utility**:** xCall integrates all the latest advancements in cross-chain messaging solutions, increasing the versatility and utility of xCall for developers - Composable Verification**:** xCall adds an extra layer of security through multiple protocol-verification
Explore competitors and apps like xCall Service.
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.