Proof of Stake vs Proof of Work vs Proof of Authority
PoS depends on a validator’s economic stake in the network. It is framed as more environmentally friendly because it does not depend on an external energy intensive process as PoW. There is no block rewardA block reward is the reward a miner gets for solving the cr... More in PoS. To conduct a 51% attackAn attack in which malicious actors gain control over 51 per... More, you would need to control 51% of the total stake; in proof-of-work, you would need more than 51% of the total hash power. Proof of AuthorityIn Proof of Authority (PoA), instead of offering up a resour... More is a variant of the Proof of StakeThe proof of stake consensus model was proposed in 2012 in r... More consensusConsensus is a mechanism, usually used by most nodes on the ... More mechanism where instead of tokens, network participants stake their identity and reputation.