Ethereum L2 Starknet has published a roadmap for its move to a PoS mechanism. The current first phase of staking has already taken place on Starknet Sepolia. In this phase, the permissionless staking protocol and delegated staking mechanism are introduced. The validator is expected to run a full node in preparation for the next phase. In the second phase, the validator will start to prove the block, that is, sign the block when it is randomly current. In the third phase, the validator will verif...