> For the complete documentation index, see [llms.txt](https://xcomerc20.gitbook.io/xmessenger-version-2-testnet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xcomerc20.gitbook.io/xmessenger-version-2-testnet/overview/what-is-xchain.md).

# What is XChain

XChain is a network of nodes built as an L2 Parallel Subnetwork within the DEMOS Network specifications. 

The DEMOS Network specifications are published at <https://kynesys.xyz/demos> and form the foundation of the technology stack of XChain.