[allisdust]

That's already the case with most countries and exchanges. A lot of monero trading happens on p2p exchanges which don't tie themselves to any country.

[Hjfrf]

The next natural step in that direction would be banning all exchanges from banking in hard money.

It would push people to p2p, at the expense of cryptocurrency prices. Big win for the environment and people hoping to use crypto as currency. Big loss for people holding for speculative gains.