June 29, 2016Blog Posts

Visa countersues Wal-Mart in debit card PIN vs signature case


Visa Inc filed a lawsuit against Wal-Mart Stores Inc on Wednesday, claiming the retailer secretly began testing a protocol that eliminated the need for signature verifications for transactions paid for with a Visa debit card. The lawsuit comes about a month after Wal-Mart had sued Visa saying the payments network operator was resisting the use of personal identification numbers (PINs) by customers for purchases made on debit cards at Walmart stores.


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