It also forced all people, great and small, rich and poor, free and slave, to receive a mark on their right hands or on their foreheads, so that they could not buy or sell unless they had the mark, which is the name of the beast or the number of its name. Revelation 13:16-17
Vaccine passports will very soon become tattoos.
bar code?
QR code only because iphones can scan them and Karens will demand to scan yours in public areas
He was just doing the best he could to describe what he was seeing in his vision. Personally I think the forehead/hand "mark" was just him seeing biometric readers for retina and fingerprint. He wouldn't have any way to comprehend the technology, so just assumed it was a "mark".
but a tattoo is the same as a mask, it makes everyone else feel better even though its none of their business