All of the world's data centers, everything - the data center powering this Zoom call, the data center powering every Netflix stream, every single cloud storage - the entire data center industry, is about 200 terawatt-hours in the space of a year. And Bitcoin mining is somewhere between 80 and 400. The range of estimates is so huge. We know for sure that proportionately it's quite large, but how large it is is a mystery.