Patent ID: 8706556
Filing Date: 2014-04-22
Classification: G06Q,G07F

Abstract:
1. A method of operating a payment-enabled mobile device, the method comprising: receiving in the mobile device, during a first tap of the mobile device, for a current transaction on a proximity reader component of a point of sale (POS) terminal, first transaction context data for the current transaction from the proximity reader component; receiving in the mobile device, during a second tap of the mobile device, for the current transaction on the proximity reader component, second transaction context data for the current transaction from the proximity reader component; determining, by comparing the first transaction context data with the second transaction context data in the mobile device, that the second tap is for the same transaction as the first tap; determining, by the mobile device, that one of a PIN verification status flag or a user acknowledgment status flag has been set; and transmitting, by the mobile device to the POS terminal, a payment card account number to consummate the transaction.