I would disagree with "clever", but it certainly is currently expensive. The degree of expensive can fluctuate and could be influenced. It is not guaranteed t

I would disagree with "clever", but it certainly is currently expensive. The degree of expensive can fluctuate and could be influenced. It is not guaranteed to remain expensive, and a nation state like the US could control 51% of the hash rate if it wanted to, regardless of the expense, I think . . .