(Bloomberg) -- Sara Feenan took the plunge in 2017, leaving a career in finance for the brave new world of crypto.Most Read from BloombergPakistan Rupee Set to Become Top Performing Currency Globally Biden Impeachment Hearing Heavy on Politics, Light on SubstanceUAW Aims For At Least 30% Wage Bump to Woo New Members‘Fortnite’ Maker Epic Games Is Cutting About 16% of StaffTop Chinese Scientist Claims India Moon Landing Nowhere Near South PoleFeenan, whose stints over the years included a blockcha