Proof of Stake leads to the rich getting richer, subsidised by the poor. This is worrying from a security perspective as this leads to ever less decentralization and thus security over time. — I’m using ETH as an example in this post because the merge just happened but the same holds for other Proof of Stake cryptocurrencies. “Staking is a great way to get passive income.” In ETH, staking rewards are a combination of block rewards, transaction fees (tips), and MEV.