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Cosmos SDK Documentation
Cosmos SDK is the world’s most popular framework for building application-specific blockchains.
Read all about the SDK or dive straight into the code with tutorials.
Introduction to Cosmos SDK
Learn about all the parts of the Cosmos SDK.
Build a complete blockchain application from scratch.
Explore the SDK
Get familiar with the SDK and explore its main concepts.
High-level overview of the Cosmos SDK.
Anatomy of a blockchain, transaction lifecycle, accounts and more.
Read about the core concepts like `baseapp`, the store, or the server.
Discover how to build modules for the Cosmos SDK.
Build interfaces for Cosmos SDK applications.
Explore existing modules to build your application with.
Explore the Stack
Check out the docs for the various parts of the Cosmos stack.
The first of thousands of interconnected blockchains on the Cosmos Network.
The leading BFT engine for building blockchains, powering Cosmos SDK.
Help & Support