Proof of Stake #PoS is another class of consensus mechanism to select validators to add on blocks according to their stakings/ holdings.
PoS firstly introduced by #Peercoin in 2012, since then #TRON @tezos @Polkadot @Algorand also use the mechanism.
#cryptoglossary #Poloniex https://t.co/kmcWo79Iqn
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