> For the complete documentation index, see [llms.txt](https://nanovita.gitbook.io/nanovita-gitbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nanovita.gitbook.io/nanovita-gitbook/tokenomics-and-incentive-system/scientific-nft-contribution-proof-and-value-carrier.md).

# Scientific NFT: Contribution Proof and Value Carrier

<figure><img src="/files/ofCjZdRIJvfw80jFW2mq" alt=""><figcaption></figcaption></figure>

NFT serve as immutable on-chain credentials and proof of rights in the NanoVita ecosystem:

* <mark style="color:$primary;">Participation Credential NFT:</mark> Proof of a user's participation in a specific RWE experiment.
* <mark style="color:$primary;">Data Ownership NFT (THP):</mark> Records the specific dataset contributed by the user, linked to their revenue sharing rights in the data marketplace.
* <mark style="color:$primary;">Model Contributor NFT:</mark> Records contributions to AI model optimization, granting the right to share in future model usage fees.
* <mark style="color:$primary;">Research Grant NFT:</mark> Represents a share of funding for a specific research project and the right to future Intellectual Property (IP) revenues.