US only uses chip (and chip is optional in many places!!!! , if you scratch it out it'll fail a few times then let you swipe) (and signature). There is general

US only uses chip (and chip is optional in many places!!!! , if you scratch it out it'll fail a few times then let you swipe) (and signature). There is generally no chip and pin. Some older terminals hard crash on PINs on credit. Some older terminals hard crash on PINs exceeding 4 chars