These are completely different (mostly national) systems, evidently optimized for different things. For example, in the Netherlands there is still plenty of ret

These are completely different (mostly national) systems, evidently optimized for different things. For example, in the Netherlands there is still plenty of retailers that don't even accept EMV cards (there is only a small number of (mostly foreign) visitors that'd be interested in such transactions, also the costs of supporting these are typically higher than just supporting the national system).