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CompTIA Security+ study material · question 551 of 611

What security property does a blockchain provide?

  1. Tamper-evidence through chained hashes
  2. Confidentiality of the recorded data
  3. Non-repudiation without any signatures
  4. Availability guarantees for the recorded data
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Answer: A. Tamper-evidence through chained hashes

Chaining makes an alteration detectable; the contents remain readable to anyone who can read the chain.

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