Each card has different numbers on it. With separate combinations for each card These numbers are not actually given randomly.
All numbers have a meaning!
Credit cards have a 16-digit number on the front.

This is something we come across all the time and some of us have memorized it. 16 digit numberactually determines the identity and purpose of the card. This number is generally divided into groups as 4+4+4+4. The first two digits indicate which sector the card belongs to. For example, aviation cards start with 1 and 2, while financial sector cards start with 4 and 5.
Visa and Mastercard For example, card numbers of payment systems are regulated according to certain standards. While Visa cards start with 4, Mastercard cards start with 5.
What do the first six digits of the card number mean?

First 6 digits, Bank identification number (BIN) It is known as and actually indicates which bank the card belongs to. There is actually a clue hidden in each number.
Customer account number, usually It is located between the 7th and 15th digit of the 16-digit number. This number is unique to the cardholder and distinguishes him from other users. The last digit of the card number is known as the control number and its accuracy is checked using the Luhn algorithm.
So what is the security code on the back?

Usually on the back of credit cards There is a 3-digit security code. While this code is called CVV (Card Validation Value) on Visa and Mastercard cards, it consists of 4 digits on American Express cards. This code is also used to increase security when shopping online.
security codeWe can also say that it replaces the password in transactions where the card is physically used.
When shopping Therefore, it is important to know what and what it means when using the cards, which now offer a lot of convenience.
Sources: Forbes, USA Today
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