> The central failure of Krugman's understanding of cryptocurrencies is in the value of mining. Mining is not that valuable, there are other ways to do it that

> The central failure of Krugman's understanding of cryptocurrencies is in the value of mining. Mining is not that valuable, there are other ways to do it that don't waste so much energy. > It's not simply throwing energy away into solving useless math problems Yes it is, since there are solutions like proof of stake that solve the same problem using vastly less energy.