E-commerce sites use electronic payment, where electronic payment refers to paperless monetary transactions, which has revolutionized the business processing by reducing the paperwork, transaction costs, and labor cost. Being user friendly and less time-consuming than manual processing, it helps business organization to expand its market reach/expansion.
Listed below are some of the modes of electronic payments:
Credit Card
Debit Card
Smart Card
E-Money
Electronic Fund Transfer (EFT)
source