System and method for providing data to a merchant device from a user device over a wireless link using a single function action

A method comprising:

• setting a mobile device to be in a state that enables a user to complete a purchase via a single function action with the mobile device, wherein the single function action does not require a user to interact with a touchscreen of the mobile device;
• establishing, based on the user performing the single function action associated with the mobile device, a wireless link between the mobile device and a second device;
• retrieving payment data from a memory of the mobile device;
• and
• transmitting, from the mobile device to the second device and via the wireless link, the payment data to make the purchase, wherein transmitting the payment data via the wireless link to the second device to make the purchase is performed according to a protocol for communicating the payment data to the second device.

A merchant device comprising:

• a processor;
• and
• a computer-readable memory device storing instructions which, when executed by the processor, cause the processor to perform operations comprising:
• establishing, based on a single function action with a mobile device, a communication between the merchant device and the mobile device via a wireless link between the mobile device and the merchant device, the communication being associated with a potential purchase, wherein the single function action does not require a user to interact with a touchscreen of the mobile device;
• and
• receiving, at the merchant device and via the wireless link, payment data to make a purchase, wherein the payment data is obtained based on (1) the single function action with no additional user interaction with the mobile device;
• and (2) the mobile device retrieving, based on the single function action, the payment data from a memory of the mobile device, wherein receiving the payment data via the wireless link at the merchant device to make the purchase is performed according to a protocol for communicating the payment data to the merchant device.