This is a first: Warren Buffett made a testable prediction. Interestingly, it looks a lot like Fama's prediciton
http://nordic.businessinsider.com/warren-buffett-on-bitcoin-price-2018-1
"If I could buy a five-year put on every one of the cryptocurrencies, I'd be glad to do it," Buffett said, referring to options trades that would profit from price declines."
Senile old man. At least one crypto project is going to be the next google/facebook/amazon. Imagine he shorted that.