There is disclosed a method and system for performing a transaction between a buyer and a seller. A payment request may be received from a first device associated with the seller. An identifier of a second device associated with the buyer may be determined. Data corresponding to the payment request may be transmitted to the second device. The second device may request that the buyer present a payment card to the second device. Payment card data may be received, where the payment card data was read by an NFC interface of the second device communicating with the payment card. After receiving the payment card data, a request may be transmitted to complete the transaction. A notification of the transaction result may be transmitted to the first device.