> 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/modules/oracle.md).

# Oracle

There is NFT data outside NFT Chain; we need an oracle data module to provide:

* Current NFT Token holder of interest before taking action with NFT
* Initial or as needed NFT metadata from an origin to create/update into NFT Chain