<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjMtMDIvNzMzZjhmYWMtMDcwNS00ZmNkLWExNzQtYTQzMDRkYjNjZWExLmpwZw==.jpg"></p><p>The milestone is another step on the road to the Shanghai upgrade, which remains scheduled for March. </p>