Re:The problem (Score 1)

1. 1. Proof of Stake solves the efficiency problem, but at the cost of increasing the unfairness
2. 2. At any time an investor is in the game, it can't be decentralized. As David Rosenthal put it:

   If a system is to be decentralized, it has to have a low barrier to entry. If it has a low barrier to entry, competition will ensure it has low margins. Low margin businesses don't attract venture capital. VCs are pouring money into cryptocurrency and "web3" companies. This money is not going to build systems with low barriers to entry and thus low margins. Thus the systems that will result from this flood of money will not be decentralized, no matter what the sales pitch says.