Computer Science, asked by gurpreetriar94, 7 months ago

a block chain is secured by

Answers

Answered by JoylynJohn

Answer:

- Cryptography

Explanation:

A block chain is secured by cryptography.

Answered by shantirana81

Answer:

cryptography

Explanation:

- Cryptography. Blockchain transactions are also secured by cryptography. Each transaction is signed with a private key and then can be further verified with a public key. If transaction data changes, the signature becomes invalid.

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