How do websites know when you input a fake credit card number?
In: Technology
In a credit card number of any country, the first few digits are always a kind of identifier of the bank network, so the websites check those digits in their registry before requesting money from the respective bank. Then the request for an amount is sent to the bank which verifies the presence of that particular account and if money is available to be deducted or not. and after this whole process the transaction takes place.
Latest Answers