There was an attempt to create a Bitcoin ETF that was rejected by the SEC: https://www.nytimes.com/2017/03/10/business/dealbook/winkelvoss-brothers-bid-to-crea

There was an attempt to create a Bitcoin ETF that was rejected by the SEC: https://www.nytimes.com/2017/03/10/business/dealbook/winkelvoss-brothers-bid-to-create-a-bitcoin-etf-is-rejected.html https://www.nytimes.com/2017/03/10/business/dealbook/winkelv... I don't know whether the SEC's reasons for rejecting it would apply to other proposed cryptocurrency ETFs or not.