hrough mobile phones, customers only need to scan the QR code and goods' information and prices will appear, and then they can quickly process payment. It is estimated that Vietnam currently has about twenty banks and electronic wallet enterprises applying QR code payment. However, a lack of general QR code standards causes some difficulties for payment operations. The new QR code standards will be issued as a unified document on how to display QR code information and how to change the billing information format. This standard is not mandatory for all enterprises. Instead, depending on the conditions and technological infrastructure, payment intermediaries can choose suitable standard options.
