Interoperability

This section covers everything you need to know about building and implementing Cross-Consensus Messaging (XCM) solutions in the Polkadot ecosystem. Whether you're working on establishing cross-chain channels, sending and receiving XCM messages, or testing and debugging your cross-chain configurations, you'll find the essential resources and tools here to support your interoperability needs, regardless of your development focus.

• Not sure where to start? Visit the Interoperability overview page to explore different options and find the right fit for your project
• Ready to dive in? Head over to Send XCM Messages to learn how to send a message cross-chain via XCM

In This Section

Introduction to XCM

Unlock blockchain interoperability with XCM — Polkadot's Cross-Consensus Messaging format for cross-chain interactions.

XCM Channels

Learn how Polkadot's cross-consensus messaging (XCM) channels connect parachains, facilitating communication and blockchain interaction.

XCM Configuration

Learn how the XCM Executor configuration works for your custom Polkadot SDK-based runtime with detailed guidance and references.

Send Messages

Send cross-chain messages using XCM, Polkadot's Cross-Consensus Messaging format, designed to support secure communication between chains.

Test and Debug

Learn how to test and debug cross-chain communication via the XCM Simulator and Emulator to ensure interoperability and reliable execution.

Additional Resources

Review the Polkadot SDK's XCM Documentation

Dive into the official documentation to learn about the key components for supporting XCM in your parachain and enabling seamless cross-chain communication.

Follow Step-by-Step Tutorials

Enhance your XCM skills with step-by-step tutorials on building interoperability solutions on Polkadot SDK-based blockchains.

Familiarize Yourself with the XCM Format

Gain a deeper understanding of the XCM format and structure, including any extra data it may need and what each part of a message means.

Essential XCM Tools

Explore essential tools for creating and integrating cross-chain solutions within the Polkadot ecosystem.