Blockchain Basics
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Questions and Answers

Which of the following best describes a blockchain?

  • A decentralized and distributed digital ledger that records transactions (correct)
  • A centralized database that maintains a list of ordered records
  • A ledger that only records tangible assets
  • A database that can be altered retroactively without consensus

    • What links the blocks in a blockchain?

  • Hash of the previous block (correct)
  • Transaction data
  • Cryptography
  • Timestamps

    • What kind of asset can be recorded in a blockchain?

  • Tangible assets only
  • Financial assets only
  • Intangible assets only
  • Both tangible and intangible assets (correct)

    • What happens when a transaction occurs in a blockchain?

    <p>It is recorded as a block of data</p> Signup and view all the answers

    What is required to alter a record in a blockchain retroactively?

    <p>Consensus of the network</p> Signup and view all the answers

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