Programming language: Go
License: Apache License 2.0
Tags: Blockchain    
Latest version: v0.46.4

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Cosmos SDK


The Cosmos SDK is a framework for building blockchain applications. Tendermint Core (BFT Consensus) and the Cosmos SDK are written in the Go programming language. Cosmos SDK is used to build Gaia, the implementation of the Cosmos Hub.

WARNING: The Cosmos SDK has mostly stabilized, but we are still making some breaking changes.

Note: Requires Go 1.19+

Quick Start

To learn how the Cosmos SDK works from a high-level perspective, see the Cosmos SDK High-Level Intro.

If you want to get started quickly and learn how to build on top of Cosmos SDK, visit Cosmos SDK Tutorials. You can also fork the tutorial's repository to get started building your own Cosmos SDK application.

For more information, see the Cosmos SDK Documentation.


See [CONTRIBUTING.md](./CONTRIBUTING.md) for details on how to contribute and participate in our [dev calls](./CONTRIBUTING.md#teams-dev-calls). If you want to follow the updates or learn more about the latest design then join our Discord.

Tools and Frameworks

The Cosmos ecosystem is vast. Awesome Cosmos is a community-curated list of notable frameworks, modules and tools.

Cosmos Hub Mainnet

The Cosmos Hub application, gaia, has its own cosmos/gaia repository. Go there to join the Cosmos Hub mainnet and more.

Inter-Blockchain Communication (IBC)

The IBC module for the Cosmos SDK has its own cosmos/ibc-go repository. Go there to build and integrate with the IBC module.

Ignite CLI

Ignite CLI is the all-in-one platform to build, launch, and maintain any crypto application on a sovereign and secured blockchain. If you are building a new app or a new module, use Ignite CLI to get started and speed up development.


This Cosmos SDK project is not related to the React-Cosmos project (yet). Many thanks to Evan Coury and Ovidiu (@skidding) for this Github organization name. As per our agreement, this disambiguation notice will stay here.

*Note that all licence references and agreements mentioned in the cosmos-sdk README section above are relevant to that project's source code only.