Too Long; Didn't Read
Blockchains have unlocked a new design space for computing with the advent of trustless computing. In a world of increasing centralization (a la, the Big Four), increasing control and exploitation (a la, Facebook), and increasing censorship (a la, the State). The promise of a decentralized, self sovereign, censorship resistant protocol is exactly what the world wants/needs. You need not look any further than the ICO boom that seeded 2000+ new projects from in the span of 18 months to see there is a desire to build a new internet, devoid of the systemic challenges we are faced with today.