Earlier quoted context omitted.
Germany actually uses their own card system .. or cash. They are very much against visa/mastercard due to their “high commission fees” and “privacy concerns” Girocard charges a 0,3% fee vs visa/mastercard 3% See: https://en.wikipedia.org/wiki/Girocard
>Girocard charges a 0,3% fee vs visa/mastercard 3% AFAIK all credit cards in the EU have similarly low interchange rates because of EU regulation.
> Payment service providers shall not offer or request a per transaction interchange fee of more than 0,2 % of the value of the transaction for any debit card transaction.