<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDMvNDQzYzYyNzAtYzAyZi00MzFhLThhM2UtZjRmMzI2ZjFhZTM2LmpwZw==.jpg"></p><p>The correspondence portrays a more informal, conversational Satoshi Nakamoto, but perhaps suffering from job “burnout.” </p>