> For the complete documentation index, see [llms.txt](https://sixnetwork.gitbook.io/nft-gen-2-tech-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sixnetwork.gitbook.io/nft-gen-2-tech-doc/overview/nft-data-chain.md).

# NFT Data Chain

<figure><img src="/files/JzA4gbQGrJ57YQXKRnKy" alt=""><figcaption><p>How it works</p></figcaption></figure>

This diagram explains how the NFT Data chain will help manage mutable NFT metadata.