Both are in Virunga, Congo, Africa’s oldest national park. This 7,800 square km2 area is home to more than half of Africa’s terrestrial species and it’s the first national park in the world to own a bitcoin mine. The mine is powered by clean energy from Virunga’s 3 hydroelectric power plants. Its excess electricity is used by the factory to process cocoa beans. While the bitcoins it mines pay for salaries and infrastructure.