POINT OF SALE SYSTEM

The present technology includes a point of sale system for facilitating interactions between a customer and a merchant in a payment transaction, and for communicating with a payment server to complete the transaction. The point of sale system includes a central processor, a payment object processor, a payment object reader interface, and a touch screen. The central processor is configured to execute an operating system and to execute a transaction engine configured to manage payment transaction specific functions of the point of sale system such as to control the touch screen to display payment transaction information on the touch screen, and to control the payment object processor to control the payment object reader to receive payment object information.