Milton Friedman predicted a peer to peer payment system.
Cryptocurrency is going (imo) to change the world.
Big business, big banks and money manipulating governments are going to fall.

Cryptocurrency will empower the individual like never before. It will change mankind like electricity, internet or agriculture.
https://youtu.be/l1si5ZWLgy0

Still in its infant stage, but you wait and see.
Soon banks will be like newsagents. Still around but nobody cares.