Patent ID: 8577804

Claim:
A method for processing a PIN-debit transaction conducted at a website operated by a merchant comprising the steps of: receiving from a consumer in connection with a registration event, a mobile PIN and a card number associated therewith, the mobile PIN and the card number received at a PIN-debit service computing device; in association with the registration event, receiving, at the PIN-debit service computing device from an issuer bank, an alternate PIN associated with the card number; receiving payment data at a payment acquirer computing device, the payment data received from a server hosting the website, the payment data comprising the card number; analyzing the payment data with the payment acquirer computing device to identify the payment data as associated with a transaction of the PIN-debit type; upon identifying the payment data as associated with the PIN-debit type of transaction, forwarding the payment data from the payment acquirer computing device to the PIN-debit service computing device, the PIN-debit service computing device: communicating a primary approval request to a mobile telephone of the consumer; after receiving a primary approval response from the consumer's mobile telephone, the PIN-debit service computing device adding the alternate PIN to the payment data, and transmitting the payment data and the alternate PIN to a debit network for processing; transmitting a secondary confirmation request to the consumer; and after receiving from the consumer a secondary confirmation response to the secondary confirmation request, the PIN-debit service computing device transmitting a payment confirmation to the merchant.