<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDkvMDE5MjNkYzktZDhmYy03ZTVhLWJiYzMtYzZjMWJiMTg5NzM0.jpg"></p><p>Bitcoin exchange app popularity is the latest sign that crypto is seeing a retail renaissance in the US.</p>