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1:05
YouTube
Economy Decoded
Meaning behind the credit card numbers
Ever wondered why a credit card number has 16 digits? It’s not just a random string of numbers. The digits can tell you who issued the card, which network it belongs to, and identify your account — while the final digit uses the Luhn algorithm to catch simple typing errors. No, it doesn’t stop hackers. It stops typos. 16 digits. A ...
741 views
1 month ago
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