Who is Eric Balchunas? Eric Balchunas is a big shot in the world of finance. He’s a Senior ETF Analyst at Bloomberg, where he’s got his fingers on the pulse of exchange-traded funds. He’s a regular on Bloomberg TV and Radio, where he dishes out the latest on ETFs. But that’s not all. He’s also a co-host of Bloomberg’s Trillions and ETF IQ. So, when Eric talks, people listen. Balchunas on Bitcoin: “Take Your Share of Progress” Recently, Balchunas dropped some wisdom on Twitter about BlackRock’s Bitcoin ETF. He called the ad “simple,…