Here's a general text that might be relevant:

, a form of credit card fraud where stolen credit card data (dumps or CVVs) is mass-verified and traded. Infosecurity Magazine Verified Services:

A verified user typically uses a "BIN" (Bank Identification Number) attack. They know that a specific BIN (e.g., 414720 for a Visa Signature) has high limits. They run the verified card through your checkout with small items first, then immediately attempt a large purchase.

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