> So burning electricity on running a cryptocurrency is not right, but burning electricity on running servers for Facebook or user tracking is all right? Spinn

> So burning electricity on running a cryptocurrency is not right, but burning electricity on running servers for Facebook or user tracking is all right? Spinning up cores to do intensive math for the sake of its difficulty is wasting energy by design. PoW's financial incentive is to waste power. Facebook spends a massive amount of money on compute, and their profit is only as good as the margin they can make over that compute cost. Therefore they have a financial incentive to save power.