The dizzying rise of bitcoin and other cryptocurrencies has created new challenges for governments and central banks. Increasing popularity and high levels of market volatility have raised the stakes…

Germans and Americans are pessimistic about their economies. While the European Central Bank and Federal Reserve remain committed to fighting inflation, the ECB faces a much tougher task.

Over the past decade, the Fed kept interest rates low while it deployed trillions of dollars in stimulus and expanded its regulatory oversight. Now, the central bank is back in the spotlight for its …