<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDUvODQ4YmIxNzUtMWQ5Ni00MDJjLTkwN2MtZDNlMDFkMTE1YTY3LmpwZw==.jpg"></p><p>Bitwise CIO Matt Hougan says this week's 13F filings prove that the spot Bitcoin ETFs were a “huge success.” </p>