System and method for providing data to a merchant device from a user device over a wireless link

A method comprising:

• establishing a communication between a mobile device and a separate device a via a wireless link between the mobile device and the separate device, the communication being associated with a potential purchase;
• presenting, on a display of the mobile device, an instruction associated with the potential purchase;
• receiving, after the instruction is displayed and interpreted by the mobile device, a combination of a first type of input and a second type of input, first type of input comprising at least one button press of a physical button that is separate from the display on the mobile device and the second type of input received from a user to confirm a payment for the potential purchase, the second type of input not requiring any interaction with the display and the second type of input comprising a security measure to prevent unauthorized purchases;
• retrieving, based on the combination of the first type of input and the second type of input, payment data from a memory of the mobile device;
• and
• transmitting the payment data via the wireless link to the separate device to make a purchase, wherein transmitting the payment data via the wireless link to the separate device to make the purchase is performed according to a protocol for communicating the payment data to the separate device.

A mobile device comprising:

• a processor;
• a display;
• a physical button separate from the display;
• a memory storing payment data;
• and
• a computer-readable memory device storing instructions which, when executed by the processor, cause the processor to perform operations comprising:
• establishing a communication between a separate device and the mobile device via a wireless link;
• receiving a combination of a first type of input and a second type of input with the mobile device from a user of the mobile device to confirm a payment for a purchase, the first type of input comprising at least one button press of the physical button and the second type of input being interpreted independent of any interaction with the display, the second type of input comprising a security measure to prevent unauthorized purchases;
• retrieving, based on the combination of the first type of input and the second type of input, the payment data from the memory;
• and
• transmitting, according to a protocol for communicating the payment data to the separate device, the payment data via the wireless link to the separate device to make the purchase.