<p><img src="https://images.cointelegraph.com/cdn-cgi/image/format=auto,onerror=redirect,quality=90,width=840/https://s3.cointelegraph.com/uploads/2023-06/207a5eb6-24ae-4314-91bb-8b872e2a00e6.jpg"></p><p>Investment managers WisdomTree and Invesco have filed for spot Bitcoin ETFs, hot on the heels of BlackRock. </p>