Several credit card firms now give users one-time-use credit card numbers as an extra layer of security for online purchases. There is just one purpose for these numerals. Customers may get the one-time-use number by visiting the website of the organization that issued their credit card. What are the advantages of employing this technology as opposed to more traditional methods of utilising credit card numbers? What are the advantages and disadvantages of employing this approach as opposed to using an electronic payment gateway for your own authentication?

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