First, let's take a look at the answers to the questions in the previous issue: A, C, D {If you don't understand, you can leave a message to ask questions! }
What is the value of blockchain?
- A: Improve social efficiency
- B: Increase data storage capacity
- C: Transactions are transparent and regulated
- D: reduce social transaction costs
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Now is the second module of blockchain learning - the composition and principle of blockchain.
1. The principle of blockchain composition.
The essence of blockchain is a distributed "ledger" based on cryptography. "Transaction->Block->Chain Structure->Blockchain Network" and "Account->Account Page->Ledger-Distributed Accounting Network" can be in one-to-one correspondence.
A blockchain records a sequence of transactions. Transaction example: The composition principle of a transfer blockchain.
2. After this section is over, let’s look at the following questions now.
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