Which of the following best describes the principle of immutability in the context of blockchain technology?
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A
The ability of any participant to modify a transaction after it has been broadcast to the network.
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B
A feature that allows a central administrator to edit or delete blocks to correct errors.
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C
The characteristic that once a transaction is recorded on the ledger, it cannot be altered or deleted by any participant.
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D
The process of encrypting transaction data to ensure it remains confidential from other network participants.