Blog: Ethereum Classic Course: 13. Proof of Authority Explained

You can listen to or watch this video here: Proof of Authority Purpose Proof of Authority (PoA) consensus is meant to avoid investment in computational power and energy as in Proof of Work (PoW) consensus. It is also made to avoid investment in staking deposits as in Proof of Stake (PoS) consensus. However, PoA still provides a replicated and shared database as in a PoW or PoS network, so that…