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Electronic commerce, commonly known as e-commerce or eCommerce, or e-business consists of the buying and selling of products or services over electronic systems such as the Internet and other computer networks. The amount of trade conducted electronically has grown extraordinarily with widespread Internet usage.

contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (rfid) or near-field communication (nfc, e.g. samsung pay, apple pay, google pay, fitbit pay, or any bank mobile application that supports contactless) for …

The Consumer Financial Protection Bureau in its October 2013 report on the CARD Act found that between the first quarter of 2009 and December 2012, credit card interest rates increased on average from 16.2% to 18.5%, while the “total cost of credit,” that is, the total of all fees and interest paid by all consumers as a percentage of the ...

A contactless smart card is a contactless credential whose dimensions are credit-card size. Its embedded integrated circuits can store (and sometimes process) data and communicate with a terminal via NFC. Commonplace uses include transit tickets, bank cards and passports. There are two broad categories of contactless smart cards.