Eli5: How does the chip in credit/debit cards provide an extra layer of security?

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More and more card readers at POS terminals now support tap to pay means of making a payment. If we are not inserting the chip end of the card, how is it providing additional security?

Edit: wow, lots of great information, thank you folks for taking the time and explaining it like I’m 5.

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Anonymous 0 Comments

It doesn’t. I’m convinced it was for two main reasons. A mass beta test of the tech, and a scheme to sell new (mandatory) card readers across entire nations. That’s a lot of money.

Criminals can use devices to steal the data off of your card while it’s still in your wallet.

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