Proof of authority (PoA) is an algorithm used with blockchains that delivers comparatively fast transactions through a consensus mechanism based on identity as a stake . The most notable platform using PoA is VeChain.
Read moreWhat is proof of work and proof of stake in blockchain?
Proof of Stake (POS) uses randomly selected miners to validate transactions. Proof of Work (POW) uses a competitive validation method to confirm transactions and add new blocks to the blockchain .
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