ATM Card Issuer Debit Network 
PYMNTS
JANUARY 30, 2020
The data of 4 million breached debit and credit cards was even posted for sale in late 2019, stolen from four restaurant chains between April and September 2019, and recently made available for purchase on Joker’s Stash, an online black market. That delay appears to be intended to drive up the data’s prices.
Stax
MARCH 14, 2024
A consumer using a chip and signature card will sign for the purchase. The signature is compared with the one on the back of the card or with the signature stored in the card issuer’s system. In some cases, it’s less expensive for a merchant to accept PIN debit cards than signature debit cards.
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