here's a video with his explanation. https://www.cnbc.com/2017/09/12/jpmorgan-ceo-jamie-dimon-raises-flag-on-trading-revenue-sees-20-percent-fall-for-the-third

here's a video with his explanation. https://www.cnbc.com/2017/09/12/jpmorgan-ceo-jamie-dimon-raises-flag-on-trading-revenue-sees-20-percent-fall-for-the-third-quarter.html https://www.cnbc.com/2017/09/12/jpmorgan-ceo-jamie-dimon-rai... TD;LR - blockchain tech separate from cryptocurrencies, governments will shut bitcoin down, price is purely speculative and has no real use. Nothing you haven't heard before