“Due to the fact that bitcoin miners are forced to find the cheapest electricity, feel a downward pressure due to the difficulty adjustment and the near-perfect competition market dynamics of mining, they are driven toward waste energy. This turns out to be very helpful for the environment because a lot of these energy sources are bio-methane like in landfills, livestock waste and so on. Anthropogenic methane is the number-two source of global warming, second only to carbon dioxide.”