Predicted ATMs and, interestingly, popularized the phrase "butterfly effect." Very apropos. I would be surprised if he were not aware of Bitcoin.
Well, I wouldn't be so sure.
http://www.bbc.co.uk/news/entertainment-arts-18345350
"It's meaningless; it's not real. It's in the air somewhere," he said.
In any case, Bradbury was for me, as for Bruno, one of my all-time favorite science fiction authors.
He wrote fiction that not only engaged you but forced you to question cultural protocols, the future, and at times the foundations of society itself.
RIP.