<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDUvMWNhYzlhNWQtODRmZi00MDJjLWE2YTItMzMxN2YwNWU3ZGQ0LmpwZw==.jpg"></p><p>The paper, released in 2014, lays the foundations for blockchain privacy and scaling. </p>