> For the complete documentation index, see [llms.txt](https://docs.sputnik.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sputnik.network/glossary-of-terms-and-scheme/sputnik-network-app-chain.md).

# Sputnik Network App-chain

**Sputnik Network App-chain** is a blockchain from the [**Cosmos Ecosystem**](/glossary-of-terms-and-scheme/cosmos-ecosystem.md) that provides decentralized functionality of the [**Sputnik App**](/glossary-of-terms-and-scheme/sputnik-app.md) 

In this documentation, **Sputnik Network App-chain** = **Sputnik Network**