BIN 431309
PROVEN BANK (CAYMAN), LTD. • CAYMAN ISLANDS • VISA
About BIN 431309
BIN 431309 is a VISA debit card operating on the PREPAID payment network, issued by PROVEN BANK (CAYMAN), LTD. in CAYMAN ISLANDS (KY). The default settlement currency for this card is Unknown. This is not a prepaid card — it is linked to a standard bank account or credit facility. Card numbers beginning with this BIN pass the Luhn algorithm validation, confirming they are structurally valid card numbers.
Frequently Asked Questions
What is BIN 431309?
A Bank Identification Number (BIN), also called an Issuer Identification Number (IIN), is the first 6–8 digits of a payment card. BIN 431309 identifies PROVEN BANK (CAYMAN), LTD. as the issuing institution for cards carrying this prefix. These digits tell payment processors which bank issued the card before the full transaction is initiated.
Which bank issued BIN 431309?
BIN 431309 was issued by PROVEN BANK (CAYMAN), LTD., a financial institution operating in CAYMAN ISLANDS.
In which country is BIN 431309 registered?
BIN 431309 is registered in CAYMAN ISLANDS (country code: KY). The issuing bank, PROVEN BANK (CAYMAN), LTD., holds the licence to issue cards under this BIN range in CAYMAN ISLANDS. Transactions on these cards typically involve CAYMAN ISLANDS-based banking and settlement infrastructure.
Is BIN 431309 a credit, debit, or prepaid card?
BIN 431309 belongs to the debit card category. This is not a prepaid card, so it is linked to a standard bank account or approved credit facility.
What payment network does BIN 431309 use?
BIN 431309 operates on the VISA payment network using the PREPAID card scheme. This means all transactions made with cards carrying this BIN are routed and processed through VISA's global payment infrastructure.
What currency is associated with BIN 431309?
The primary currency associated with BIN 431309 is Unknown. This is the currency in which domestic transactions are typically billed for cards under this BIN range when used in CAYMAN ISLANDS. International transactions may involve currency conversion depending on the merchant's country.
Does BIN 431309 pass the Luhn check?
Yes — card numbers beginning with BIN 431309 pass the Luhn algorithm. The Luhn algorithm is a standard checksum formula used by payment systems to detect miskeyed or structurally invalid card numbers. A passing result confirms the number range is mathematically valid.
