has some unique tech. It is a sort of hybrid between Proof Of Stake (PoS) and a novel concept that they call Proof Of History. There is a lot to say about the proof of history concept, but in short here we will just mention that it is a concept that checks are all the transactions in the right order/sequence. The Solana blockchain works with slots of periods of time, in which the chosen validators confirm the transactions.
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From @foolie