主权项 |
1. A method comprising:
receiving, by a server system, selection of a selected brand-specific account of a plurality of brand-specific accounts of the user, each brand-specific account redeemable only for products branded according to a brand corresponding to the each brand-specific account; transmitting, by the server system, to a user device of the user, representations of products branded according to the brand of the selected brand-specific account and having prices less than an amount of funds in the selected brand-specific account; receiving, by the server system, a selection of a selected product branded according to the brand of the selected brand-specific account; and transmitting, by the server system, an optical code to the user device, the optical code authorizing payment of a purchase price of the selected product toward purchase of the selected product. |