My European credit card works around the world but is blocked by default in the US for security reasons. I need to call my bank to temporarily unlock it if I e

My European credit card works around the world but is blocked by default in the US for security reasons. I need to call my bank to temporarily unlock it if I ever go to the US. Payments with PIN code are allowed by default though even in the US. So the problems seem to be with the swipe system.