FIELD: physics.
SUBSTANCE: invention relates to computer engineering for providing payment protocols. Technical result is achieved by receiving, using a second server, a roaming token assigned to a mobile payment card for operation in a roaming banking network; obtaining, using a second server and based on a roaming token, a home token assigned to a mobile payment card for operation in a banking network in a home region different from the aforesaid roaming banking network; receiving, using first server, home token; and obtaining, using a first server and based on a home token, a main card number as a mobile payment card for operating in a banking network in a home region.
EFFECT: technical result consists in enabling use of a mobile payment card used in roaming as a mobile payment card for operating in a banking network in a home region.
12 cl, 19 dwg
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