There are two types of Credit cards, one the common one which uses magnetic strips and the other is the smart card which contains the microchip with all the relevant information embedded in it. It is difficult to defraud if you have the smart card. Mostly in US and Eurrope, smart cards are used. But in Inida still more of the common ones are used. It also requires a special ATM to process the smart card, this makes it a costly proposition to implement in the third world countries.
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