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"Black" list is a list by a certain card parameter, which previously have been or may be a sign of fraud.
"Gray" list is a list by a certain card parameter, which previously have been or may be a sign of suspicious payment.
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"Black" list is a list by a certain card parameter, which previously have been or may be a sign of fraud.
"Gray" list is a list by a certain card parameter, which previously have been or may be a sign of suspicious payment.