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 ...

Why It’s Too Late to Decouple In 1999, the columnist Thomas Friedman pronounced the Cold War geopolitical system dead. The world, he wrote, had “gone from a system built around walls to a system increasingly built around networks.” As businesses chased efficiency and profits, maneuvering among great powers was falling away. An era of harmony was at ...