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NIELIT Scientist B 2020 November: 50

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In __________, other nodes verify the validity of the block by checking that the hash of the data of the block is less than a present number.

  1. Proof of Burn
  2. Proof of STAKE
  3. Proof of Work
  4. All of the options
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C.  Proof of Work …

 

Proof of work (PoW) is a form of cryptographic zero-knowledge proof in which one party (the prover) proves to others (the verifiers) that a certain amount of computational effort has been expended for some purpose….

There are two classes of proof-of-work protocols :

  1. Challenge–response...
  1. Solution–verification...

In Proof of Work, other nodes verify the validity of the block by checking that the hash of the data of the block is less than a preset number….

 

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