Electronic receipt system, electronic receipt management server, and program therefor

A system for dynamically generating user interfaces for electronic receipts, the system comprising:

• an electronic receipt management server having a network interface and a processor configured to:
• receive, via a public network, a first electronic receipt generated by a point of sale (POS) terminal of a physical store for a transaction made by a customer at the physical store, a customer identifier, and first additional information unique to the physical store,
• store, in a data storage thereof, the first electronic receipt in association with the customer identifier and the first additional information, when the first electronic receipt, the first additional information, and the customer identifier are received through the network interface over the public network,
• receive, via the public network, a second electronic receipt generated by an online store for a transaction made by the customer at the online store, the customer identifier, and second additional information unique to the online store,
• store, in the data storage thereof, the second electronic receipt in association with the customer identifier and the second additional information, when the second electronic receipt, the second additional information, and the customer identifier are received through the network interface over the public network, and
• control the network interface to transmit the first and second electronic receipts along with the customer identifier and the first and second additional information, through the public network, in response to an inquiry containing the customer code, that is received through the network interface over the public network;
• and
• a client device having a network interface and a processor configured to:
• control the network interface to transmit the inquiry containing the customer code through the public network,
• receive the first and second electronic receipts along with the customer identifier and the first and second additional information, and
• control a display thereof to display a first graphical user interface (GUI) including a first selectable object to view an image of the first electronic receipt and a second selectable object to view an image of the second electronic receipt.