A method,
system and computer readable medium for, from a central
Web site, performing at least one of registering a user at a destination
Web site,
logging in a user at a destination
Web site and managing an online
financial transaction at a destination Web site, including
parsing a form
Web page of the destination Web site to extract form data fields therefrom; mapping form data fields of a central Web site form to corresponding extracted form data fields of the form
Web page of the destination Web site; and using the mapped form data fields to perform at least one of registering a user at the destination Web site,
logging in a user at the destination Web site and managing an online
financial transaction of a user at the destination Web site. In another aspect, there is provided a method,
system and computer readable medium for managing an online or offline
financial transaction of a user, from a central Web site, including generating financial
transaction account information for a user based on existing credit or
debit card information; gathering from the user one or more limits that are applied to a financial transaction performed based on the financial
transaction account information; receiving from a source information indicating that an online or offline financial transaction using the financial
transaction account information is in progress; applying the one or more limits gathered from the user to approve or disapprove the online or offline or online financial transaction that is in progress; and transmitting an approval or disapproval
signal to the source based on a result of the applying step.