People wouldn't stop spending money on weapons in a Bitcoin world. If the global economy is dominated by a small number of people who got in on Bitcoin early, a

People wouldn't stop spending money on weapons in a Bitcoin world. If the global economy is dominated by a small number of people who got in on Bitcoin early, against a vast majority who are born with no Bitcoin and no way to get it except from those who already have it, strife can be expected. To the extent that inequality, competition, and unfairness create tension, that tension doesn't go away just because there's a different set of people at the top.