The number of ETFs tied to cryptocurrencies is expanding dramatically in the first week of October, with a wave of funds that buy ether futures launching on Monday. Ether is already the second most popular crypto currency, behind bitcoin, but the arrival of the ETFs may make it easier for certain types of investors to gain exposure to that part of the crypto market. “I think the long-term buyers of these products are financial professionals — financial advisors, family offices,” and registered investment advisors, said Bitwise CIO Matt Hougan. “Retail traders can get exposure to ethereum through a Coinbase app, but a ... (full story)