[mpeg]

I've done some work in this area with large american banks (around a decade ago, so it might have changed!) and generally the only problem you could have is if you were abroad and using a new device – you wouldn't get locked out but it might trigger some extra verification steps

[dpb001]

Yes, this is still a thing. Last year I installed Linux on an old laptop to use while traveling in SE Asia. Had problems with TD Bank because of this, complicated by my account needing SMS to the US number for the extra verification.