Question: Why is consensus important for data in a blockchain? It allows nodes to confirm with a central authority to determine the final, valid version of

Why is consensus important for data in a blockchain?
It allows nodes to confirm with a central authority to determine the final, valid version of the data.
It ensures that tampering with the data will have lasting and permanent repercussions on all future transactions.
It determines that the most commonly held copy of the data will be automatically replicated across the other nodes in the network.
It forces all nodes with invalid versions of data to delete their copies in order to reach data consensus.
I don't know this yet.
Why is consensus important for data in a blockchain? It allows

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