Jamie Dimon, CEO of JPMorgan Chase (JPM 1.87%), made headlines this week after he bashed Bitcoin. However, Wall Street's most famous banker may have a reason for talking badly about the digital currency. In this segment of The Motley Fool's financials-focused show, Where the Money Is, banking analysts Matt Koppenheffer and David Hanson look at a three Tweets about Dimon and the birthday of the Mac computer.