: At its core, the tool uses the Luhn algorithm to instantly verify if a card number is mathematically valid.
: Ensures the string follows the strict | delimited format.
: It identifies the issuing bank, card type (Visa, Mastercard, Amex), and country of origin based on the first few digits. Why Use the CCN2 Exclusive Gate?
: The tool runs the 16-digit number through a modulo-10 calculation to ensure it isn't a random sequence of numbers. Ethical and Secure Usage