> Rather, the amount of energy destroyed by PoW simply has to be more than the highest funded attacker can afford. Miners don't measure or care for how much an

> Rather, the amount of energy destroyed by PoW simply has to be more than the highest funded attacker can afford. Miners don't measure or care for how much an attacker can afford. They will simply continue adding mining hardware and increase electricity usage as long as they can turn a profit, which depends mostly on: * the marginal cost of electricity * the amortization cost of the hardware * the price of BTC * the difficulty