With regards to Jamie Dimon's stance though, you should look at where he is coming from. He is a banker, so of course they will attack bitcoin at any cost. However, it was uncovered that the attack was well orchestrated, After the Boss Calls Bitcoin a 'Fraud' — JP Morgan Buys the Dip . And obviously they make a lot of money from their investors and clients back then.
Yes, maybe what he is interested in for some reason now is to pump the price of bitcoin. It's not that he believes in the intrinsic properties of bitcoin or in how positive crypto currencies can be for society. He's probably got a bunch of bitcoin nowadays. Both personally and for his company. So, I don't trust him, his personal comments are aimed at trying to further increase personal profits.
