The more energy is "wasted" the more secure the network is That's a bit like saying the more resources you spend on something, the better it is. Are there cryp

The more energy is "wasted" the more secure the network is That's a bit like saying the more resources you spend on something, the better it is. Are there crypto currencies that have comparable levels of security with less resources spent on it? Is it theoretically possible to have a crypto currency where the resource requirements don't scale as dramatically as they do with bitcoin? Even if we grant that more energy == greater security, there's still the question of whether or not the resources per unit of security (however you want to measure "security") might be more efficient using some other methodology.