The qr code changed the payment method, now I have not seen the cash for a long time
The future will enter the society without paper money, in fact, China has been rapidly implementing the life without paper money.
People only need to carry their mobile phones to pay for a day's consumption.Wherever you go, you can make a payment by scanning your phone's code, which takes 10 seconds or less.
Life is more and more convenient, full of expectation for the future.