Originally Posted by
reclusive46
It works well enough here in Canada. 75% of places have contactless but I've never had any issues using the MST at the other 25%. It's always worked well when I've been in the US as well (with the exception of Walmart where it declines (it does work in Canadian Walmarts though).
Does the authorisation message get to the bank or is Walmart detecting and blocking it to promote Walmart Pay?