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A consensus protocol in blockchain requires an agreement of a trusted node in the peer-to-peer network. Transactions that occur on the blockchain are reliable and all networks agree on a consensual algorithm of the blocks. The protocol controls all the activities of the network making blockchain a secured technology in cryptocurrency. All cryptocurrencies rely fully on the Proof-of-work and Proof of Stake consensus for their security and integrity. The voting system encouraged in this method of communication does not guarantee a trusted transaction. In recent times where __Cryptography interference with blockchain (https://hackernoon.com/cryptography-interference-with-blockchain)