Résumé IA
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Proof of authority (PoA) is an alternative consensus algorithm that means transactions on the network are verified by approved authorities. These authorities are known and trusted by all participants in the network.
PoA allows the blockchain network to perform transactions more quickly using a Byzantine fault tolerance (BFT) algorithm.
Proof of authority is different from proof of work (PoW) and proof of stake (PoS) consensus mechanisms, which use mining and staking, respectively, to verify transactions. Proof of authority is effective for use on networks where the participants know and trust each other.
On these networks, PoW or PoS would be inefficient and unnecessary.
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