Using NFC wireless technology along with RFID tags can make waiting in long lines a thing of the past.

The use of wireless NFC technology together with RFID tags can make waiting in long lines a thing of the past.

You can pay for goods using a smartphone based on NFC.  The customer simply places the ordered goods with RFID tags on them to the NFC reader or detection device, presses the payment button on their phone, and that's it. After that, it only takes a few simple steps to complete the purchase, and they report; RCRwireless.com.

And to prevent various kinds of scams, such as taking away unpaid goods, the doors are automatically locked if the RFID-tags have not been deactivated.

Source: rcrwireless.com