Proof-of-work crypto mining is particularly egregious because it is quite literally zero sum. The world's Bitcoin miners could spend 100 watts mining crypto or

Proof-of-work crypto mining is particularly egregious because it is quite literally zero sum. The world's Bitcoin miners could spend 100 watts mining crypto or 100 gigawatts mining it and due to the nature of the algorithm, the outcome would be the same number of mined blocks.