“I don’t think there’s anything more important in my lifetime to work on, and I don’t think there’s anything more enabling for people around the world,” he told the audience at a Bitcoin conference in Miami in June.Mr. Dorsey, whose oracular beard and quirky wellness routines have made him something of a cult figure in Silicon Valley, has become a crypto influencer in recent months. Bitcoin fans cheered his resignation on Monday, assuming he’d be spending his newfound free time championing their cause. (A more likely scenario is that he’ll continue to push crypto projects at Square, where he’s already started building a decentralized finance business.)Mr. Dorsey didn’t respond to a request for comment, so I can’t be totally sure what’s behind his exit, but it’s easy to see why he would be getting restless at Twitter after more than 15 years of involvement. He cut his teeth during the internet boom of the late 2000s and early 2010s, when being a co-founder of a hot social media app was a pretty great gig. …
