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NFC: Technology, Usage and Challenges

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NFC i.e. Near Field Communication as name suggest that it is the communication technology which works between two instrument who are only few inch away. NFC builds upon RFID systems by allowing two-way communication between endpoints, where earlier systems such as contactless smart cards were one-way only.

Its major use is in contact-less payment systems and can replace many payment system like smart card, credit card and smart ticket etc. Most of the smart phone in the market have the NFC support and hence it can replace the existing payment and sattlement system.

NFC Chip

Why NFC is not moving
There are two reason for NFC is growing slow, one is credit, debit, and identification cards are already a normal part of life and work well for most people. Smartcards are a directly competing technology, as they allow the same ease of use in some cases as the NFC-equipped phone. Should this technology in traditional cards see widespread acceptance, it may reduce the demand for similar, and more expensive, technology in the smartphone. Obviously, consumers are going to drive this market to a great extent. As mentioned in Weaknesses, most consumers do not have NFC-equipped phones, and even if some organizations adopt the technology, there may not be a market. Consumers must decide that the cost to purchase the phone, transfer data, and learn the new phone’s controls is worthwhile . If the infrastructure is not created because there are too few customers, customers will not purchase the device due to a lack of infrastructure. This could perpetually prevent adoption of the technology.

Consumers may also be leery of the security of the new technology: the more computerized the system, the more vulnerable it may be to malware and other attacks. These factors, in addition to the ordinary reluctance to change, may keep consumers from adopting the technology, making it useless to the service providers. Even if the technology is ultimately accepted, there is always the possibility of changing laws increasing its cost or otherwise making it more difficult to use. Since information about banking and finance would be exchanged through NFC, there will be legal requirements for its security and recordkeeping.

Comments are welcome....

posted Apr 23, 2014 by Salil Agrawal

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Electronic commerce
, commonly known as e-commerce or eCommerce, is a type of industry where the buying and selling of products or services is conducted over electronic systems such as the Internet and other computer networks. Electronic commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI),inventory management systems, and automated data collection systems. Modern electronic commerce typically uses the World Wide Web at least at one point in the transaction's life-cycle, although it may encompass a wider range of technologies such as e-mail, mobile devices, social media, and telephones as well.
Block Diagram Of E-Commerece :
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Working Of E-Commerce:
Step 1:
A customer enters an order on a merchant's website. The transaction information is instantly encrypted and transmitted to the e-Commerce secure server, which is linked via a dedicated, leased data line to the credit card authorization network. A dedicated data line means faster transaction times.

Step 2: The transaction information is sent by the e-Commerce secure server via leased data line to the credit card authorization network where the validity of the card is checked and the availability of funds on that account is verified. An authorization code is returned via leased data line to the e-Commerce secure server. The authorization is encrypted by the e-Commerce server and transmitted in encrypted form back to the web server of the merchant which in turn triggers the fulfillment process of the order.

Step 3: An e-mail receipt is sent to the customer and the merchant (either or both can be disabled at merchant's option). Within 48 - 72 hours the merchant receives the money.

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