JPMorgan Chase Chief Executive Jamie Dimon has laid into bitcoin and digital currencies once again, warning that governments will shut them down if they grow too large. "Right now these crypto things are kind of a novelty. People think they're kind of neat. But the bigger they get, the more governments are going to close them down," Dimon said during an interview with CNBC-TV18 in New Delhi on Friday. Dimon was concerned that with bitcoin, ethereum and various initial coin offerings (ICOs),...

A major problem for bitcoin is its extreme volatility, which is a cause of concern for many investors. A lack of liquidity may be to blame for the cryptocurrency's volatile nature, an expert tells CNBC. "The high volatility I think is due to the low liquidity we have on exchanges today," Cedric Jeanson, CEO of BitSpread, told CNBC's Street Signs on Thursday. Bitcoin has attracted a lot of criticism in recent weeks from big names including JPMorgan's Jamie Dimon and Bridgewater Associates...