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Understanding the Role of Hashes in Blockchain Security How does a hash help secure blockchain technology?

How does a hash help secure blockchain technology?
O Hashes do not allow any new blocks to be formed on a chain or new data to be added. Hashes block all changes.
O Hashes are like fingerprints that make each block of data unique. Blocks form a chain that can only have new blocks added.
O Hashtags allow others to see if someone is trying to change something and it alerts the government to prevent the changes.
O Blocks of data require passwords that are called hashes. Hashes are impossible to guess.




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  1. Hashes are like fingerprints that make each block of data unique. Blocks form a chain that can only have new blocks added.

    Explanation: In blockchain technology, each block contains a hash of the previous block, creating a secure chain. If someone tries to alter a block, its hash would change, breaking the link and making it clear that tampering has occurred. This ensures the integrity and security of the data across the entire blockchain.

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