>If you had to verifiable set a million dollars on fire for mining a block, that would be as secure as proof of work without wasting energy Sure, but nobody ha

>If you had to verifiable set a million dollars on fire for mining a block, that would be as secure as proof of work without wasting energy Sure, but nobody has found a way to do that, nor has anybody found an alternative to PoW that doesn't have terrible security tradeoffs. It doesn't help to say something magical could have better properties - you need to find something that actually works in practice by satisfying all requirements