Question

Which among the following option/options is/are consensus algorithm in blockchain options are 1)pow 2)byzantine 3)pos 4) all of these

Answer 1

Answer:

here is your answer

A consensus algorithm is a process in computer science achieve agreement on a single data volume among distribution processe or system.

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Answer 2

4) All of these are consensus algorithm blockchain options.

Explanation:

• A consensus algorithm is a process in computer science used to achieve agreement on a single data value among distributed processes or systems. Consensus algorithms are designed to achieve reliability in a network involving multiple unreliable nodes
• They are fault tolerant.
• First public blockchain — Bitcoin, uses PoW. PoW is conducted through miners competing to solve a cryptographic problem also known as a hash puzzle. These miners help to verify every Bitcoin transaction, where it involves producing a hash-based (SHA256) PoW that is based off previous transaction blocks and forms a new branch with a new transaction block.
• BFT is the characteristic of a system that handles the different types of faults that belongs to the Byzantine Generals’ Problem. However, in the consensus algorithms are relation to the blockchain.

• PoS allows a forger  to stake any amount of cryptocurrency she has, to be probabilistically assigned a chance to be the one validating the block  the probability based on the amount of cryptocurrency at stake.

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