How does Blockchain technology enhance security in Decentralized systems?

The question is about blockchain
Answer:

Blockchain technology enhances the security aspect in Decentralized systems. This is accomplished through the use of cryptographic techniques, which guarantee data integrity and authenticity. Each block in the chain points toward the previously linked block through a cryptographic hash; any attempt to interchange or alter any information would go unnoticed. This is also due to the fact that, since it is Decentralized, there is no single area of failure where hackers can try to manipulate. The consensus algorithm, which includes either Proof of Work or Proof of Stake, is an added security measure that requires an alteration in the network to be agreed upon by its participants.

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