https://www.forbes.com/sites/peterjreilly/2014/07/16/social-...

https://www.faithfamilyfit.org/post/is-the-real-id-act-a-gat...

Easy to google for more, from varying levels of fringy-looking websites, but the "numerical ID == mark of the beast" fear is common evangelical American doctrine of the same source that saw these books sell 65 million copies: https://en.wikipedia.org/wiki/Left_Behind - they went digital with an injected chip, which is one of the things the Covid-19 vaccine sparked echoes of