The Reality Shares Nasdaq Blockchain Economy Index looks to provide an ETF that tracks the growth and development of companies implementing blockchain solutions; they filed for the ETF with the SEC on November 2nd; “The collaboration between Nasdaq and Reality Shares represents a tangible way to track the growth of an industry that may revolutionize the way commerce is conducted, and yet is still in its infancy,” said Fredrik Voss, Vice President of Blockchain Innovation at Nasdaq. Source.