Punk stuck a safety pin into progressive rock in the 1970s. Will crypto do the same to the financial services in the 2020s? — Back in the mid-nineteen seventies, pop music in Western Europe and North America had evolved far beyond its roots. Fully orchestrated double-concept albums ruled the charts, delivering elegant, intricate, exquisitely crafted songs featuring eight-minute keyboard solos, eight point zero one-minute guitar solos and a range of assorted cleverness. The ambition of the musicians was to create quasi-religious cathedrals of sound that soared on astral breezes… Then along came the punks.