How are blocks of data "chained" together to ensure the integrity of transactions?
A) The hash of the previous block is written to the header of the current block
B) The ID of the previous block is stored in the current block
C) A public key is stored in each block for data decryption
D) The hash of the genesis block is kept in all block headers

Question

Quizplus · Accepted Answer

The hash of the previous block is included in the header of the current block, creating a chain of blocks that ensures data integrity by making it difficult to alter any block without changing all subsequent blocks.

How Are Blocks of Data "Chained" Together to Ensure the Integrity