Earlier quoted context omitted.
No one can drain ky bank account through my payment card either. For one, they lack the authorisation to do so, and for another, there's a limit (which I can change) to how much can be transferred per day.
> they lack the authorisation to do so How does the German banking system prevent an unscrupulous online retailer from charging you 500€ for a 50€ item? Or charging you twice?
shop [> mollie] > iDEAL > ABN > shop
or
(pc) shop QR > (phone) photo app > iDEAL > ABN