PoW distributes block rewards proportionally to hash power and these proceeds can be used to buy more hash power to achieve a compounding effect. From what I un

PoW distributes block rewards proportionally to hash power and these proceeds can be used to buy more hash power to achieve a compounding effect. From what I understand all of the viable PoS systems offer a fixed rate of return on the stake. This is like PoW forcing everybody to use the exact same hardware; a benefit to the little guy at the expense of the large account holders.