Despite having no small cash in his pocket, Hoàng Dương can still pay for his cup of tea to a vendor in Quán Thánh street, Hà Nội, by scanning a QR code from his smartphone even though the cost is only VNĐ3,000 (US$0.13).
Viet Nam Electricity (EVN) is co-operating with Viet Nam Payment Solution Joint Stock Company (VNPAY) to enable online QR payments of electricity bills.