| 摘要 |
A computer-implemented method of processing a payment at a network node is described. The method includes operating a processor to identify a set of agreed purchase parameters, the agreed purchase parameters including data indicative of a purchase location, a purchase amount, a first device associated with a first user, and a second device associated with a second user, determine a first location of the first device, determine a second location of the second device, and responsive to determining that the first location and the second location are within a predefined distance from the purchase location, effecting a transfer of the purchase amount from a first account associated with the first user to a second account associated with the second user. |
