Blockchain is best described as

General Science · General Science and Current Events · Hard · Practice for UPSC CSE GS 1

Blockchain is best described as

A distributed, tamper-evident ledger
A type of computer virus
A central bank database
A storage chip

Answer and solution

Correct answer: A) A distributed, tamper-evident ledger

Records are linked by cryptographic hashes across nodes.

Learn the method: General Science rules and worked examples · UPSC CSE GS 1 General Science and Current Events

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