In reply to Bevis.

I came across this article and found the domain name registration peculiar.

http://www.paymentsnews.com/2012/08/retailers-form-merchant-customer-exchange-mcx-to-deliver-mobile-wallet.html

It looks like it has been made private since. I wonder what the relation between MCX and FirstData is at the inception. FirstData appears to support Apple Pay & MCX.