- 1/3 fault tolerance
- low barrier to forge currency
- low barrier to reverse the chain
- No unforgeable costliness
- No proxy for value
- No fallback in case monetary policy is violated
- No fallback in case fees don’t work
- Incentive for stakers to horde, no fair distribution of coins
- Vulnerable to staker private key risk
- Nothing at stake problem
- Vulnerable to long range attacks
- There is no division of power between node operators and stakers
- No reliable source of randomness
- Vulnerable to network partition
- Vulnerable to low rate of participation in staking
- PoS validators do not sink any capital and just earn an interest
- No reliable fork choice rule
Code Is Law