(Bloomberg) -- Bitcoin’s appeal as a hedge against inflation is being put to the test, with the largest cryptocurrency slumping along with other risk assets after Jerome Powell failed to ease investor concern about rising price pressures. The digital token fell as much as 6.7% and traded at about $47,900 as of 2:38 p.m. in New York, after the Federal Reserve chairman said he is monitoring financial conditions and would be “concerned” by...