| CPC G06Q 20/4016 (2013.01) [G06N 3/04 (2013.01); G06Q 20/353 (2013.01); G06Q 20/4014 (2013.01); G06Q 20/407 (2013.01); G06Q 20/425 (2013.01)] | 20 Claims | 

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               11. A method comprising: 
            capturing images of a payment card in contact with a payment device upon transaction initiation wherein at least one of the captured images is a unique trace line pattern of an EMV chip contact of the payment card; 
                analyzing the captured images, wherein during analyzing the captured images, the unique trace line pattern of the EMV chip contact of the payment card is compared to a unique stored trace line pattern of the EMV chip contact of the payment card at a time of issuance; 
                determining a suspicious payment card based on at least the analyzed captured images; 
                blocking transaction of the payment card with the payment device based on the determination of the suspicious payment card; and 
                transmitting an alert indicating detection of the suspicious payment card. 
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