Watch Free Online HD Moviesjoy. Filmed over three years across four continents, Dirty Coin takes viewers deep into the real-world practice of Bitcoin mining. From rural Texas to the mountains of Malawi, the film explores a wide range of mining operations—some sustainable, some controversial—and the communities behind them. Through interviews with energy experts, miners, and local residents, it paints a nuanced picture of a rapidly evolving industry. Whether you're new to Bitcoin or part of the movement, Dirty Coin offers a fresh perspective on how mining is impacting the world today.