Merchant number

wat ?

them merchant nums will fuck ur piece up too if ur using the wrong one. shit isnt too hard tho man, self check out, parking meter, some soda machines take card now. not too difficult to figure out

all of those options are not available in europe, where everythin is EMV, including parking meters, soda machines, and self check outs a store clerk comes runnin to u askin for ID if u choose the swipe option. but thankz anywayz
u never explained wat the mechant numbers?
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Yea merchant number is best option but honestly checkin a dump in any way can kill it

I used to use square card reader

what's that

What is the most effective way to check just dump

This is a good thread gud shyt

Yall nigga dont forget to vote ,we need to keep everything from getting spicy, this poll is a small part that contributes to the cause