I signed up for all my bank accounts and credit cards online. But they have to check your ID, more and more through videochat nowadays, before that you'd either

I signed up for all my bank accounts and credit cards online. But they have to check your ID, more and more through videochat nowadays, before that you'd either need to mail documents or go to a post office where the staff is able to stamp a form that says they've checked your ID. Also in most European countries the administration knows your official address and companies can check that you live where you pretend to.