What is Bank Identification Number - Solidgate

Bank Identification Number


Bank Identification Number (BIN) is the initial six digits of a credit or debit card that uniquely identifies the issuing financial institution. Acting as the card’s first line of defense in transaction processing, the BIN allows merchants and financial institutions to swiftly identify the card’s origin. Crucial in fraud prevention, the BIN aids in determining the card type, level of authorization required, and potential geographic restrictions.

Furthermore, BINs play a vital role in routing transactions, ensuring they reach the correct issuing bank. Issuers often embed information about the card’s brand and category within the BIN, streamlining the authentication process. BINs are vital in e-commerce, guiding payment gateways to validate transactions and providing valuable insights for risk management.

With their structured hierarchy, BINs facilitate seamless communication between merchants, processors, and card networks, contributing to the efficiency and security of electronic transactions.


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