FIELD: physics, computer engineering.
SUBSTANCE: invention relates to means of making electronic payments. In the method, when processing one payment transaction, a communication link between a card and a terminal is interrupted and an ARPC answering file is sent to the card after the original communication link is interrupted. The transaction is separated into two phases by resetting the card to zero, wherein the initial payment data (ARQC) are used at the second phase. The electronically signed ARQC payment file is stored in the card memory until the ARPC answering file is received and processed.
EFFECT: safer and more efficient contactless payments.
14 cl, 5 dwg
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