> For the complete documentation index, see [llms.txt](https://space-six.gitbook.io/whitepaper-space-six/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://space-six.gitbook.io/whitepaper-space-six/economy/nft-trade.md).

# NFT Trade

* You can upgrade any of the in-game NFTs such as Land, Spaceship, Resources, etc. or use them in the game and more importantly buy and sell them in the marketplace or to the other players when interact in Discord channel.