Let’s be real for a second. The whole “blockchain saves the world” narrative hit a wall when people realized Bitcoin alone uses more energy than some small countries. It’s like driving a Hummer to buy a loaf of bread — sure, you get there, but at what cost? Proof of Work (PoW) is the original consensus mechanism, and it’s brutally secure. But it’s also… well, a bit of an energy hog. The good news? The…