The Bank Identification Number (BIN) 521943 is issued by SIA FSC EU in LATVIA. This is a MASTERCARD DEBIT card with PREPAID level.
BIN (Bank Identification Number), also known as IIN (Issuer Identification Number), refers to the first 6 digits of a payment card number. These digits identify the card-issuing institution, card type, and other attributes used for routing and fraud prevention.
By looking up BIN 521943, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PREPAID), the issuing bank (SIA FSC EU), and the country of issuance (LATVIA). This information is useful for payment processors, merchants, and fraud prevention systems.