# Hypercert NFT authentication The BerryStore 4.0 NFT solution introduced NFT authentication technology from Hypercert, a technology community of BerryStore Foundation.(Patent Technology) NFT technology is used to authenticate ownership of products based on ledger records about purchased NFT products recorded in distributed ledger of blockchain network, and to authenticate ownership by recovering ownership password and identification image of products. ![](/files/IB0feWPGwe4FqpMyjoo8) The NFT authentication server system includes multiple components that perform each step to trade ownership of a product and serves as a database that stores information or user terminal derived from each component. A product producer inputs specific product information through the user terminal, and the Ministry of product identification information provision receives specific product information and transmits individual product registration request information about the product to the server system. Based on the individual product registration request information, the ledger record information for the individual product can be derived and recorded in the distributed ledger of the blockchain network to block forgery of the product. ![](/files/czhBkoFwvBfvt8FnoEUA) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.berrystore.net/berry-4.0-architecture/hypercert-nft-authentication.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.