AUTHENTICATION METHOD OF ARTICLES Russian patent published in 2020 - IPC G06K5/02 

FIELD: authentication of articles.

SUBSTANCE: method is realized using a system comprising a database (DB) such as a public blockchain connected to the Internet and configured to assign identifiers to DB users, perform calls to user-programmed data management functions (smart contract), which are capable of performing the following actions: in case the article with the specified identifier is absent in the DB, add product identifier and indicate compliance of this product identifier with manufacturer identifier, to change conformity between product identifier and owner identifier in presence of electronic digital signature (EDS) from current owner of product and EDS of new owner; to change conformity between product identifier and owner identifier when specifying chain of transactions between owners with indication of correct EDS of all intermediate owners, to add smart contracts of users; wherein during the next transfer of the product, the current owner sends the transaction signed by his / her signature directly to the next owner, avoiding the need to perform transaction in the blockchain, providing anonymity to the buyer.

EFFECT: technical result is wider range of means.

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