An auditor is reviewing a blockchain implementation used for supply chain tracking. Which risk is unique to the 'Immutability' feature of blockchain?

Answer options:

Centralized control failure.

Inability to correct erroneous data once entered.

Lack of encryption.

Slow transaction speed.

How to approach this question

Connect 'Immutable' (unchangeable) to the downside of 'Mistakes'.

Full Answer

B.Inability to correct erroneous data once entered.✓ Correct

Inability to correct erroneous data once entered.

Immutability ensures integrity but makes error correction difficult. In a traditional DB, you just update the row. In blockchain, you must append a correction, leaving the error visible.

Common mistakes

Focusing on performance rather than data integrity risks.

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