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description: Immutable Certification on the Blockchain
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# 5. NonFungibleCertificate.com (NFC)

[**NonFungibleCertificate.com**](https://nonfungiblecertificate.com) " NFC " aims to revolutionize how certificates and identity documents are issued and validated. You can demo how it works while in the sandbox:

* **Immutability and Security**: Certificates are anchored to the Solana blockchain, rendering them immutable and tamper-proof.
* **Ease of Verification**: Enables instant validation without intermediaries, enhancing trust and transparency.
* **Ownership and Control**: Users maintain full control over their documents.

**Utility of 4IR Token**:

* Used to pay for certification services.
* Facilitates secure sharing and transfer of certificates.
* Potentially rewards users for endorsing or validating certificates.
