Beginner
Blockchain & Web3
Q1 / 100
What is a blockchain, at its core?
Correct! Well done.
Incorrect.
The correct answer is A) A distributed, append-only ledger of records grouped into linked blocks, maintained across many nodes
A
Correct Answer
A distributed, append-only ledger of records grouped into linked blocks, maintained across many nodes
Explanation
A blockchain is a decentralized, distributed ledger where data is stored in cryptographically linked blocks, replicated across many participants for transparency and tamper resistance.
Progress
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