a review on consensus algorithm of blockchain

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Blockchain It has the characteristics decentralization, stability and security. It can change the network architecture. It plays an important role in maintaining safety and efficiency of the blockchain.

 

What is a blockchain consensus algorithm?

A consensus algorithm refers to a process through which all of the peers of the algorithm can participate. Blockchain The network comes to a consensus about the current state and future plans for the distributed ledger.

 

Which is the best consensus algorithm?

The most common consensus algorithms are Proof of Work, Proof of Stake and Practical Byzantine Fault Tolerance (PBFT), Delegated Proof of Stake and Proof of Importance (PoI). Ripple Protocol Consensus Algorithm, (RPCA), Stellar Consensus Protocol and Byzantine algorithm based Tendermint [16, 32].

 

What is the best consensus mechanism in blockchain?

The fastest blockchain consensus mechanism is the Delegated Proof Of Stake (DPOS). This mechanism is capable of handling a greater number of transactions than the Proof of Work. DPOS is frequently considered a digital democracy because of its stake-weighted vote system.

 

What is an example of a consensus algorithm?

Other common consensus algorithms include: the practical Byzantine fault tolerance algorithm, the proof-of–stake algorithm(PoS), as well as the delegated Proof-of–stake algorithm.

 

What are the types of consensus algorithms in blockchain?

In Blockchain Networks, there are three types of consensus algorithms that can be used to reach consensus in a distributed fashion: Proof of Work (POW), Proof of Stake(POS), and Practical Byzantine Fault Tolerance [PBFT].

 

Why is a consensus algorithm needed in blockchain?

In a blockchain, consensus refers to an algorithm that makes decentralized record keeping more like a central database. This automated process ensures that each node has a single valid copy of the record.

 

What is the role of the consensus algorithm?

A consensus algorithm allows users and machines to coordinate in a distributed environment. It must ensure that all agents can agree on one source of truth regardless of failures. This means that the system must be fault-tolerant (see also: Byzantine fault tolerance explained).

 

What consensus algorithm does Bitcoin use?

Blockchain Consensus Mechanisms. The proof of Work (PoW), a consensus algorithm that is widely used by the most prominent, is the proof-of-work (PoW). cryptocurrency Like networks bitcoin And litecoin.

 

How is consensus algorithm implemented?

First, a process is set up to verify, validate and confirm transactions. Next, transactions are recorded in a large distributed directory. Finally, a block record (a series of blocks) is created and implemented.

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