When Iraqi lawmakers voted to expel U.S. forces from the country earlier this month, the Trump administration’s response was swift and forceful: it refused to withdraw and, for good measure, threatened financial retaliation, saying it would freeze Iraq’s accounts at the U.S. Federal Reserve. The threat seems to have been effective. Although Iraqi officials still ...

Bitcoin, the decentralised, mainly digital currency that is neither issued nor guaranteed by central banks, has always seemed like a magic trick. Rather than spinning straw into gold it transforms wasted computing power into money that people will actually accept as payment. Radical libertarians have desperately wanted to believe in it because they hope it ...