Question

How is Blockchain as a technology so secure? *
1 point
All the information is stored in blocks that are tamper proof
because block chain is chained blocks of information which maintains a history and record of information
The Block chain data is stored at decentralized locations
All the above​

Answer 1

Answer:

Blockchain technology uses hash encryption to secure the data, relying mainly on the SHA256 algorithm to secure the information. The address of the sender (public key), the receiver’s address, the transaction, and his/her private key details are transmitted via the SHA256 algorithm.