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Thread: Samsung Pay with MST Mode
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Old Jan 11, 2018 | 10:42 am
  #11  
reclusive46
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Originally Posted by AllieKat
Does the authorisation message get to the bank or is Walmart detecting and blocking it to promote Walmart Pay?
It never reaches the bank. I've heard it does work with Visa and MasterCard at Walmart USA though, just Amex. It might be something to do with the weird track 1 magnetic stripe format it does.
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