Background

QR code payment, which is one of the representatives of mobile payment, is also called cardless payment, because the payment operation of scanning the QR code is simple and convenient, which improves the efficiency of payment, and further opens up electronic payment, which greatly meets the needs of small and medium-sized businesses. The demand for small collections reduces the circulation of banknotes. Countries such as the United Kingdom, Indonesia, Brazil and other countries welcome and promote QR code payment methods.