Answer:
QR code.
Explanation:
QR code seems to be the 2-dimensional barcodes with such a wide storing space which have been usually also had to point the user to such a specific Webpage while scanning the QR code with either from a smartphone or with barcode scanner.
It is the form of code that is used as the purpose of the safety protection of the web page as well as the transaction of the money and it is also used to read the price of the commodity from the bar code.
