BIN

Also called bank identification number, IIN

What crypto means by it

The first six to eight digits of a card number. They tell a merchant which bank issued the card, in which country, and of what type, which is how some sites refuse certain cards before you have finished checking out.

What you already know this as

The same digits doing the same job on every card in your wallet.

Related terms

Card network Decline Geo-restriction

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