Josh Garza, who has built what may be the world’s fastest growing bitcoin mining operation, is setting his sights set on something even bigger: “the cryptocurrency of the future.”

That’s the claim made in a press statement Monday to mark the launch of the ICO (initial coin offering) of Paycoin, a digital currency that Mr. Garza’s GAW Miners company says will address “all the inherent shortcomings that have prevented bitcoin from achieving mainstream adoption.”