Even as crypto finds growing traction on Wall Street and among retail investors, few people regard the blockchain technology that powers it as useful or relevant to their day-to-day lives. A crypto startup called Subzero Labs wants to change this, and it plans to launch its own blockchain designed for use beyond just speculation. “We’re doing something for the real-world users,” Ade Adepoju, cofounder and CEO of Subzero Labs, told Fortune. The startup announced Friday that it had raised $20 mill...