FIELD: information technology.
SUBSTANCE: group of inventions refers to multifactorial authentication. Authentication addresses in the blockchain can be created by: establishing the correspondence of identifiers to entities whose identity was previously authenticated, assigning authentication addresses in the block to the specified entities, and recording identifiers and biometric data associated with the entities at the appropriate authentication addresses. Multi-factor authentication of a person based on a block account using authentication addresses can be performed by: receiving one or more identifiers in connection with one or more identity authentication requests of one or more entities, retrieving biometric data associated with said one or more subjects from the respective authentication addresses and authenticating the identity of one or more subjects when receiving matching biometric data and secret keys.
EFFECT: technical result is wider range of tools for the same purpose.
20 cl, 3 dwg
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