CRYPTOGRAPHIC AUTHENTICATION AND TOKENIZED TRANSACTIONS Russian patent published in 2021 - IPC G06Q20/20 

FIELD: cryptography.

SUBSTANCE: invention relates to cryptographic authentication and tokenized transactions. Cryptographic method of performing a tokenized transaction between a payment proposal party and a receiving party with a transaction scheme, at that, to the side of acceptance of payment by the transaction scheme supplier, unique seller identification data and seller's certificate are provided, generated by certification authority and associated in trust chain with seller identification data, wherein method comprises steps of: receiving side of the payment provides the merchant identification data and the initial transaction value to the payment proposal party; side of the payment proposal checks the authenticity of the seller identification data using the seller's certificate, and uses the merchant identification data and the initial transaction value, to generate cryptogram for tokenized transaction; and the payment proposing party provides a payment acceptance side cryptogram for transmitting to the supplier a transaction scheme for authorizing a lean transaction.

EFFECT: technical result is higher security of transactions.

11 cl, 1 tbl, 12 dwg