What did permissioned blockchain solve

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Public Blockchain solved Byzantine Generals' Problem. However, what did Permissioned Blockchain solve?? Can that be sovled only by blockchain?? It seems to me that, what permissioned blockchain solved can also be sovled by a simple P2P network and voting consensus system without any hash algorithm. Could I get some clarity based on this doubt, please?
Apr 4 in Blockchain by Rahul
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1 answer to this question.

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To answer your question, the permissioned networks already have a consensus mechanism that will require permission to join and participate. Hence, using a blockchain adds little or no value to the operation of the system, other than a mechanism to verify data integrity which you've rightly pointed out, could already be done easily before blockchain was created. But however, using a chain of blocks is not the innovation, the innovation is joining it with the proof-of-work to achieve consensus in a distributed, public and trustless network.
answered Apr 6 by Aditya
• 7,280 points

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