BLACKROCK: The bitcoin chart looks ‘pretty scary’. NEW YORK, July 11 (Reuters) – BlackRock Inc’s global chief investment strategist on Tuesday suggested that loose monetary policy may have aided speculation in digital currencies like bitcoin, but he said the risk to the broader financial system appears limited. The strategist, Richard Turnill, said it might be possible to view price movements in blockchain-based cryptocurrencies as influenced by the ultra-easy monetary policies put in place by central banks after the 2007-2009 global financial crisis. But sharp price gains in cryptocurrencies may be a sign of excess and have led some investors to call the market a bubble. “I look at the charts, and to me that looks pretty scary,” Turnill said at a media briefing in New York.