The point of zoning laws is different depending on whom you ask. Those most strongly in favor of mixed-use urbanism might even say there's no point. But in the

The point of zoning laws is different depending on whom you ask. Those most strongly in favor of mixed-use urbanism might even say there's no point. But in the broadest sense, they're supposed to prevent conflicts between land uses. And crypto mining at any useful/profitable scale conflicts with an electrical infrastructure designed for lower residential loads. To allow mining safely, someone has to pay to upgrade that infrastructure. Otherwise you're looking at overloading a circuit, maybe even burning the building down.