@jalcine Careful with those click bait articles.
For the first link, its only reference to the claim that "it consumes as much power as #Austria" is a Vice article headlined "Nobody knows exactly how much energy bitcoin is using" and in the subheading it says "New research suggests..." which is #journospeak for "it doesn't *actually* say that, but that's what for the purposes of my article I would like it to mean".