The PoS consensus mechanism makes Cosmos a monopolistic chain. The top 20 validators hold not only 70% of the voting power but collect 70% of the rewards on the blockchain. An outsider have little chance of collecting rewards.

Even more — based on the rules of the Cosmos blockchain a small group of validators with stake of more than 50% can gang up , label a decent proposal as being a spam and confiscate (pocket) the stake of the person proposing…