Is it safe to pay with a barcode scanner at supermarkets? Decrypting the security mechanisms behind barcode payment
Is it safe to pay with a barcode scanner at supermarkets? Decrypting the security mechanisms behind barcode paymentWe often use WeChat or Alipay to scan and pay when shopping at supermarkets. Cashiers scan our QR codes with a barcode scanner, but some people are concerned: Is the barcode scanner safe? Can it be used to make payments without entering a password, and are there any security risks? Today, we'll learn more about the security mechanisms behind barcode payments to address your concerns...
Why are large domestic supermarkets closing down one after another, and Sam's Supermarket, which only pays to enter, is opening more and more?
Large domestic supermarkets are closing down one after another, but why is Sam's supermarket, which pays to consume, opening more and more? Why is Pangdonglai deeply loved by people, but still unable to leave Henan?According to statistics, in 2022, at least 1138 stores of domestic supermarkets will be closed, and Gome Retail, Lianhua, Red Flag Chain, Carrefour, Wal Mart will not be spared. Once a large supermarket was cheap, with a wide range of products, all goods can be seen and touched, and you can buy all daily necessities once, which is very popular...