Balaji Srinivasan, former chief technology officer of Coinbase, the cryptocurrency exchange, turns to address the hundreds of tech workers and investors filling a darkened arena in Singapore — all there to learn how to build empires.“I think it’s fair to say,” he pronounces from the stage, palms outstretched, “in 2025, we have a movement.”It is early October and Srinivasan is hosting what he’s called the Network State Conference, an event targeting “those interested in founding, funding and find...