Credit card verification services via electronic dynamic verification codes to verify that a credit card is valid

'card':2,15 'code':9 'credit':1,14 'dynam':7 'electron':6 'servic':4 'valid':17 'verif':3,8 'verifi':11 'via':5

Electronic and magnetic credit cards, debit cards, and pre-paid payment cards containing an integrated dynamic verification display for use in connection with payment for services

'card':5,7,13 'connect':23 'contain':14 'credit':4 'debit':6 'display':19 'dynam':17 'electron':1 'integr':16 'magnet':3 'paid':11 'payment':12,25 'pre':10 'pre-paid':9 'servic':27 'use':21 'verif':18

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