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Which os the following is NOT true about the proof of work concept?
-It is the proof of the validity of a block in a blockchain.

-It is created when a current block hash combines the transaction data with the hash of the previous block.

-It is very easy to show in the physical world with real objects.

-It requires a nonce.

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Which os the following is NOT true about the proof of work concept?
-It is the proof of the va...
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