How can decentralised systems be made more secure using Blockchain?

The question is about Blockchain Development .

Answer:

Blockchain secures decentralised systems by using cryptography to protect and verify data. Each block is linked through cryptographic hashes, making alterations obvious and tampering difficult. Since the network is decentralised, there is no single vulnerable point for hackers. Additionally, consensus methods like Proof of Work and Proof of Stake ensure that changes require group agreement, boosting security.

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