Mastercard complaint: 3ds Not Working
Filed 26 Oct 2020 by Hassan
Hi
I have been in Turkey for a month and using my Mastercards with both Monzo and Starling bank in the UK perfectly. However about a week ago, all online or app payments with my two cards were not being authenticated or recognised by the vendor. I would authenticate normally in my bank’s app, but then when I was redirected to the vendor, all payments would fail.
This is a mastercard issue because it has happened across three separate companies in Turkey (Turkcell, BiTaksi, iTaksi) and across two different UK Banks. The only common demoninator is 3ds Mastercard.
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