As e-commerce developed, the only payment method was credit card use. This is a defect: Whenever you want to buy something, customers must complete the credit card information, billing address and delivery address. And this makes it easy for hackers to steal user information.
Electronic money (e-cash) can solve these problems.
However, e-cash has never become a reality. Instead, entrepreneurs and businesses create a range of alternatives. The most famous is PayPal, an application that accesses your bank account or credit card and conducts transactions or deposits. Apple and Amazon also offer simpler payment options with just one click. Still, customers still need to fill out credit card information when they want to shop online.