Abstract: A method, system, and computer readable medium for managing a financial transaction of a user at a merchant, including authenticating the user via a device of the user while the user is at the merchant; transmitting activation information for activating a reusable, pre-existing, unaltered and permanent credit or debit card account number of the user from the user device to a financial institution for processing financial transactions, while the user is authenticated; submitting a payment request including the account number to the financial institution from the merchant, while the account number is activated; and de-activating the account number after the payment request is processed by the financial institution. The financial institution only accepts and processes payment requests received from merchants while the account number is activated, and the financial institution declines payment requests while the account number is de-activated.

Abstract: A method, system and computer readable medium for managing a user online financial transaction at a destination ecommerce web site using a credit or debit card account of the user, including a) transmitting an activation command to a financial institution processing financial transactions for activating the credit or debit card account of the user; b) submitting a charge request for the credit or debit card account to the financial institution via a destination e-commerce web site to which the user is logged in while the credit or debit card account is in the activated status; and c) transmitting a de-activation command to said financial institution for de-activating the credit or debit card account, wherein the financial institution only accepts and processes charge requests received from e-commerce web sites while the credit or debit card account is in the activated status and wherein the financial institution declines charge requests while said credit or debit card account is in the de-activated status, an

Abstract: A method, system and computer readable medium for managing a user online financial transaction at a destination ecommerce web site using a credit or debit card account of the user, including a) transmitting an activation command to a financial institution processing financial transactions for activating the credit or debit card account of the user; b) submitting a charge request for the credit or debit card account to the financial institution via a destination e-commerce web site to which the user is logged in while the credit or debit card account is in the activated status; and c) transmitting a de-activation command to said financial institution for de-activating the credit or debit card account, wherein the financial institution only accepts and processes charge requests received from e-commerce web sites while the credit or debit card account is in the activated status and wherein the financial institution declines charge requests while said credit or debit card account is in the de-activated status, an

Abstract: 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.

Abstract: A method, system, and computer readable medium for managing a financial transaction of a user at a merchant, including authenticating the user via a device of the user while the user is at the merchant; transmitting activation information for activating a reusable, pre-existing, unaltered and permanent credit or debit card account number of the user from the user device to a financial institution for processing financial transactions, while the user is authenticated; submitting a payment request including the account number to the financial institution from the merchant, while the account number is activated; and de-activating the account number after the payment request is processed by the financial institution. The financial institution only accepts and processes payment requests received from merchants while the account number is activated, and the financial institution declines payment requests while the account number is de-activated.