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📄 Read the XMTP Litepaper - public draft »

The open protocol and network for secure web3 messaging

Build with XMTP to send messages between blockchain accounts, including DMs, alerts, announcements, and more

Build with XMTP

Deliver apps and tools that enable messaging between blockchain accounts. Want to talk about a use case?

Join the discussion
bell icon representing the alert message use case

Alerts

Enable apps to keep users informed with timely event-based notifications
megaphone icon representing the announcement message use case

Announcements

Enable apps to engage users with meaningful one-to-many messaging
chat icon representing the direct messaging use case

Direct messaging

Enable users to connect and build community with one-to-one messaging
Start building
Laptop and mobile device screens showing alerts, announcements, and direct messages enabled by building apps with XMTPLaptop and mobile device screens showing alerts, announcements, and direct messages enabled by building apps with XMTP

SDK and tools

Build with XMTP using the SDK and dev tools

Messages meet users where they are

Building with XMTP gives users a portable inbox that follows them across web3, providing access to their messages using any app built with XMTP.

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Latest from XMTP


Introducing the XMTP Litepaper Public Draft

A primer on XMTP-the secure web3 messaging protocol-why we’re building it, how it works, and where we see it going in the future. A primer on XMTP-the secure web3 messaging protocol-why we’re building it, how it works, and where we see it going in the future. A primer on XMTP-the secure web3 messaging protocol-why we’re building it, how it works, and where we see it going in the future.

Matt Galligan

Matt Galligan

Project Spotlight: Relay Receiver, a no-code wallet chat for websites

Facilitating user communication and overcoming one of web3’s biggest challenges. NFT sales, POAP events, DAO activities, etc all have very meaningful ...

Peter Denton

Peter Denton

Truths Not Spoofs

In web3, token-gated messaging opens up a world where you can see verifiable transactions and facts about the sender that help you vet who you want to interact with.

Peter Denton

Peter Denton

Join a community of builders

From hackathons to startups, developers are building with XMTP to address use cases for secure messaging for blockchain accounts