Patent ID: 8355959

Claim:
A system, comprising: a first server system that operates in a first network domain, said first server system storing account information, including payment information, of a user, said first server system providing a service for enabling users to perform payment transactions on merchant sites; and a second server system that operates in a second network domain that is distinct from the first network domain, said second server system hosting a merchant site, including a page that includes a reference to a display object served by the first server system, said reference configured to cause browsers that load the page from the second server system to request the display object from the first server system for display on the page; said first server system operative to transmit, to a user computing device of the user, a browser cookie for storage on the user computing device, said browser cookie corresponding to the first network domain but not the second network domain, said browser cookie including information that identifies the user to the first server system; said first server system being responsive to a browser request from the user computing device for said display object by at least (1) using the browser cookie, as transmitted with the request, to identify the user, and (2) transmitting a personalized display object to the user computing device for display on the page of the merchant site, said personalized display object personalized with information associated with the user and providing functionality for the user to perform a payment transaction.