First reveal the answer to the previous section:
Which of the following statements about blockchain is true
- A: Blockchain is a distributed ledger based on cryptography
- B: The significance of blocks in the blockchain is to improve performance through batch processing
- C: Transactions in the blockchain can only be transfers
- D: The blockchain records a series of sequential transactions
1. The composition and chain structure of blocks.
1. The composition of blocks The essence of blockchain is a distributed "ledger". The ledger is composed of all "account pages", and each "account page" contains accounts. A block can correspond to an "account page", which records the transaction data of a certain page of the entire "ledger".
