Iran bans cryptocurrency mining for 4 months after blackouts

<p>From the BBC World Service: Iran&#8217;s President Hassan Rouhani told a cabinet meeting that the main cause of the blackouts was a drought that had affected hydroelectric power generation. But he also said that cryptocurrency mining, 85% of which is unlicensed, was draining more than 2 gigawatts from the grid each day.</p> <p>Your support powers nonprofit news — become a Marketplace Investor before Thursday to help us reach our fundraising goal: <a href="https://support.marketplace.org/mkp-mmr-sn">marketplace.org/givemorning</a></p>