How India built a robust payment system
Twenty years ago, when a consumer bought groceries or consumer durables in India, he either paid cash or gave a cheque or a Demand Draft to the merchant. Today, he has multiple payment options. He can make the payment by scanning a QR (quick response) code or transfer money to the merchant using his phone number; he can swipe or wave a credit or debit card through the Point of
Source: deccanherald.com