By Zijia Song and Katherine Doherty From Bloomberg News Wall Street leaders turned up their noses when Bitcoin exploded onto the scene more than a decade ago. Now they’re paying sweet premiums to crypto recruits, amassing an army of enthusiasts within the traditionally staid realm. Some of the biggest banks and financial firms have added about 1,000 crypto-related roles since 2018, according to Revelio Labs, which collects data by scraping LinkedIn. Among those hiring the most are JPMorgan Chase & Co., Wells Fargo & Co., and Goldman Sachs Group Inc., which shored up their ranks as demand for the fast-developing virtual currencies ballooned. The expansion of Wall Street’s legions traces an uncomfortable and at times testy relationship with the cryptocurrency. Banks had largely stayed away as Bitcoin prices rocketed to new heights and endured frequent crashes. JPMorgan Chief Executive Officer Jamie Dimon called it “worthless” in October after deeming it …