FIELD: physics, signalling.
SUBSTANCE: invention relates to means of authenticating a commodity in real time. In the method, an identification code is generated in the form of two associated unique character-digital codes in barcode format, a second label with a second unique character-digital code in barcode format and a character-digital code entry is arranged such that access to said label is provided after selling the commodity. The commodity is authenticated by successively comparing the unique character-digital codes on the commodity labels and the unique character-digital codes registered in a database of authentic commodities.
EFFECT: high reliability of authenticating a commodity in real time.
8 cl
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