Proof of work is more objective, therefore socially scalable, but is computationally unscalable. Proof of stake is subjective, therefore socially unscalable, but computationally scalable.
Cryptocurrencies and other topics of interest
Proof of work is more objective, therefore socially scalable, but is computationally unscalable. Proof of stake is subjective, therefore socially unscalable, but computationally scalable.