Assuming Futurism, the world will be in shambles. The mark in this context would need to be an actual mark, etching, or tattoo. I believe most technology will be down.
Imagine if the Antichrist were to be the Islamic Mahdi, who will rule from Jerusalem and crush the enemies of Islam in the last days. The Muslim prophecies state he will have the bismillah inscribed on the foreheads of his followers.
This would identify those aligned with the Antichrist immediately upon sight. And yes, those without it would be denied food, supplies, and denied right to barter.
Here's an example of this understanding:
https://youtu.be/JIXdFjuAJ-w