<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDcvYTQ4MzEzYTMtMTg0NC00N2ZiLWE0MzQtMTcyMjBjYjFmMzc4LmpwZw==.jpg"></p><p>The drop in mining difficulty should spell relief for the largest mining firms. </p>