We came across a neat little infographic from American personal finance website Mint.com. 

The infographic breaks down the secrets behind the digits on your credit card. Interestingly, the numbers aren’t just random – each holds a special significance, and with a little knowledge, you can learn a lot from the 16-number string sitting in your wallet.

One cool trick? How you can tell whether a card is a fake or not by adding up the numbers and dividing them by ten. Go on, have a try! (Instructions in the infographic below.)

Here’s how to crack your credit card’s code:

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