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They're typically stored as "tokenized" values. The tokenized version shares the type and the last 4 digits (so that you can share it with the customer to help
by coredog64 15d ago
They're typically stored as "tokenized" values. The tokenized version shares the type and the last 4 digits (so that you can share it with the customer to help them identify the card). You buy this capability from vendors and IIRC there's like 3 or 4 common vendors in the marketplace.