What Happens in the Black Bar of the Debit Card, Why Is Important

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Check your credit or debit card. At the back, you will see a long black stripe.

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At the back, you will see a long black stripe. Have you ever wondered what is the use of this black stripe on the card of red, white or any other colour?

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At the back, you will see a long black stripe. Have you ever wondered what is the use of this black stripe on the card of red, white or any other colour?

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Three digits are written at the end of the white strip. It can also be in four digits on a bank card. Have you ever noticed these two bars and numbers?

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Usually, this strip is black on all credit or debit cards. But its work is extraordinary.

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CVV is also known as CSC or Card Security Code, CVC or Card Verification Code, SIN or Card Identification Number or CVV2.

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As soon as you swipe the card at an ATM or Point of Sale POS machine, that machine takes your information and initiates the transaction.

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If this black bar and information are not stored, then any information related to the transaction will not be known.