Make it a duplication resistant hardware token that you can get for free then. The stakes just aren't high enough to worry about these kinds of edge cases.
The stakes just aren't high enough for us to implement any of this crap for the Internet in the first place. Let alone an entire government-administered hardware supply chain.
Yeah, right. So the government is going to spend billions on “porn tokens”. That’s going to get through the legislature.
I’m sure there wouldn’t be a brisk illicit trade in these tokens either. Certainly no one would be incentivized to sell these tokens to teenagers for easy profit.