Report: Visa sues Walmart over alleged PIN pilot

Wal-Mart Stores, which filed suit against Visa in May over debit card authorization, is getting taste of its own medicine.



According to Reuters, Visa is suing Walmart, claiming the retailer is requiring Visa card users to verify their identity with a PIN, rather than a signature. Walmart filed suit against Visa in May 2016 for using customer signature, rather than individual PIN, to authorize purchases made with EMV-compliant, chip-based debit cards.



The suit, which Walmart has already publicly disputed, claims Walmart and Visa have a 2015 commercial agreement stating Visa debit cards only need a signature for authorization. Walmart’s suit accuses Visa of favoring less-secure signature authorization as a way of saving money.



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