Free CBBF Exam Braindumps (page: 9)

Page 8 of 22

Smart Contracts DO NOT provide _____________.

  1. Authority
  2. Anonymity
  3. Efficiency
  4. Accuracy

Answer(s): B



The transaction hash contained in a block is the _____________.

  1. unique number to show it’s a Bitcoin block
  2. same as the user private key
  3. digital fingerprint of the block
  4. metadata used for ID

Answer(s): C


Reference:

https://www.oreilly.com/library/view/mastering-bitcoin/9781491902639/ch07.html



How does the Bitcoin provide anonymity?

  1. Through Merkle trees
  2. Through public/private key cryptography
  3. Through consensus algorithms such as Proof of Work
  4. By publishing only the block address
  5. None of the above

Answer(s): E



In its simplest state, a ledger _____________.

  1. determines which node stores the assets
  2. records the transfer of an asset between participants
  3. proves ownership on the Blockchain
  4. provides privacy to users on the Blockchain

Answer(s): B


Reference:

https://developer.ibm.com/tutorials/cl-blockchain-basics-intro-bluemix-trs/






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