Some credit-card companies offer a one-time-use credit-card number as a more secure method of electronic payment. Customers connect to the credit-card company’s Web site to get the one-time-use number. Explain what benefit such a system offers, as compared to using regular credit-card numbers. Also explain its benefits and drawbacks as compared to electronic payment gateways with authentication.

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A: Answer to the above question is in step2.

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