> For the complete documentation index, see [llms.txt](https://docs.wetez.io/wetez/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wetez.io/wetez/developer/appchain/cosmos-sdk-chain.md).

# Cosmos SDK Chain

[Cosmos SDK](https://v1.cosmos.network/sdk) is the world’s most popular framework for building application-specific blockchains. Build a complete Cosmos SDK application with Wetez in just a few hours. At the end you will have a fully functional full node client, CLI interface, REST interface, and much more.

## Demo chain

TBD