CAF-7 · Chapter 2 · Question 2 of 15
A bank adopts a new digital ledger system that records transactions across multiple computers. The data cannot be altered retroactively without the alteration of all subsequent blocks and the consensus of the network. This technology is known as:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: D) Blockchain
Explanation
A distributed ledger where transactions are validated by network consensus and become immutable (cannot be altered or deleted) without a central authority is the exact definition of Blockchain technology.
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