> For the complete documentation index, see [llms.txt](https://whitepapercrypto.gitbook.io/ai-fairy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepapercrypto.gitbook.io/ai-fairy/nft-life-extension.md).

# NFT Life Extension

- [What is NFT](https://whitepapercrypto.gitbook.io/ai-fairy/nft-life-extension/what-is-nft.md): Introduce NFT
- [NFT Application](https://whitepapercrypto.gitbook.io/ai-fairy/nft-life-extension/nft-application.md): How we use NFT now
- [NFT Upgrade](https://whitepapercrypto.gitbook.io/ai-fairy/nft-life-extension/nft-upgrade.md): Endow digital life into every NFT