What is the bank card number?
On the front of the bank card there is a long set of numbers usually in the middle of the card, ranging from 12-19 digits, depending on the card network. This number is called the "Bank Card number". The bank card number is governed by the standardized numbering system, which was promoted by an international standardization organization (ISO). The numbering system is known as ISO/IEC 7812 and is also used on credit cards and other types of identification cards such as health care card identification cards. The first six digits identify the financial institution that issued a card. Details of each institution are stored in the database. The rest of the digits is random and is generated by a financial institution such as banking corporations and are verified against the database using Luhn. Luhn algorithm is a mathematical formula that is used to verify - to check that the bank card number is duplicated, for example - different types of identification numbers.
Banks, on a global scale, issue unique cards to their customers. The bank card number is a unique identifier because the banking institution would never issue the same number to two different customers, which would violate the rules as shown in ISO/IEC 7812 standards. The main reasons why each bank card has a unique number is because it provides increased security and streamlines the transaction process. If two customers had the same bank card number, complications could occur during the transaction process.
If an individual wishes to make a purchase on the Internet, he will have to make a purchase using the payment card, including the bank card. In the typical online transaction form, the individual must enter personal and financial information such as name, address, bank card number, bank card expiry date and bank card security code. This information will be submitted to the centralized database - in which they are personalAnd the user's financial information is stored - for security and authorization purposes. For example, if the bank card number specified in the form does not match the card number in the centralized database, the transaction will be reduced. The user will have to re -send the form if he wishes to buy the product.