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Questions and Answers
Which of the following best describes a blockchain?
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?
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?
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?
What happens when a transaction occurs in a blockchain?
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What is required to alter a record in a blockchain retroactively?
What is required to alter a record in a blockchain retroactively?
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