I think we should make it a requirement, not giving "the state" a choice.
Discussion
How do you propose that gets done?
New York adopts Bitcoin as the medium of exchange, with all tolls paid by lightning network into public wallets that are watched by the watchdogs. It's not difficult, it would just require a complete change in how the local, state and federal government understands money and financing.
And no, I don't expect it to happen peacefully.
Whatever you're smoking, pass me some.