(Bloomberg) -- The cryptoasset selloff is testing the industry axiom that Bitcoin is the equivalent of “digital gold,” and therefore belongs in an asset portfolio to hedge against stock market gyrations, like seldom before. Most Read from BloombergAfrica’s Richest City Needs $12 Billion to Fix InfrastructureSinger Akon’s Multibillion-Dollar Futuristic City in Africa Gets Final NoticeNew York City’s Outdoor Dining Sheds Will Start DisappearingThe 5 Coastal States That Face the Most Devastating Fl