FIELD: information technology.
SUBSTANCE: in the process, the history of card usage is given, the information related to the environment of the device calculations is given, the usage of card in the calculations is determined, based on obtained information that is associated with the environment of the device calculations and obtained history of card usage, and provide information on the calculations, associated with a particular card, to the point-of-sale (POS) terminal. Getting information associated with the environment of the calculations comprises obtaining information about the environment of the calculations from (one of): the sensor of the device or the POS terminal or the payment server, and the card image associated with a particular card is displayed on the unlock screen, and the card definition comprises a step of the card definition based on the received user input associated with the card image displayed on the unlock screen of the device and authentification of the user with respect to a particular card.
EFFECT: automated determination of the relevant information for interaction between the devices.
23 cl, 18 dwg
