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A comment on Distributed Ledger without the Blockchain. Parent comment

Re:Distributed Ledger without the Blockchain by jnwatson on Wednesday October 04, 2017 @11:40PM (#15406556)
But then you have nothing new. Hash chains are at least as old as a 1981 Lamport paper, and merkle trees (the data structure inside a blockchain block) were patented in 1979.
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Re:Distributed Ledger without the Blockchain by wmf on Wednesday October 04, 2017 @11:55PM (#15406593)
I'm not talking about hash chains. I'm talking about systems like Corda, Quorum, or Hyperledger that use BFT to provide mostly-trustless consensus without POW.
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