Yeah, I've been using my Nexus card, but I've flown with people who forgot their passport and didn't have RealID and they just have you go to a website, pay $45

Yeah, I've been using my Nexus card, but I've flown with people who forgot their passport and didn't have RealID and they just have you go to a website, pay $45, and show them you've paid and you're on your way. It's very secure :)