I'm not sure. What or who generates these QR-codes? Can't that system also provide the verification check? It is a European-wide 'system' after all. Who do yo

I'm not sure. What or who generates these QR-codes? Can't that system also provide the verification check? It is a European-wide 'system' after all. Who do you trust more with your data: your (european) government or a (non-european) government/private entity?