Proof-of-work is necessarily a resource-wasteful scheme. I think it's okay to make a moral judgment about that with regard to it becoming the world's most expen

Proof-of-work is necessarily a resource-wasteful scheme. I think it's okay to make a moral judgment about that with regard to it becoming the world's most expensive game of guess the number, principally for speculative purposes. We live in a resource constrained real world and this is something exclusively for the world inside of computers but with negative externalities on the real, outside world.