As Bitcoin’s price surged this spring to a new all-time high, the spotlight shining on its controversial mining process only got brighter. Bitcoin, Ethereum, and many other cryptocurrencies use an energy-intensive “proof-of-work” process that makes computers on its decentralized network compete to solve complex mathematical equations to verify a batch of transactions; this makes the network less susceptible to certain attacks, and earns miners crypto rewards. Given the competitive element in the quest for valuable cryptocurrency, powerful mining rigs—essentially, PCs purpose-built to maximize mining rewards—are the ... (full story)