840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDQvYWFkNzZlNWItN2NkZS00ZTk5LWFiZDQtMmQ3Y2NkOTcwMzdiLmpwZw3D3D Continue Reading Previous Bitcoin network difficulty reaches all-time high as miners pursue 2M BTC