Principles and structure of blocks and blockchains

Principles and structure of blocks and blockchains

Block: A block file that records block size information, block header information, transaction counters, transaction specific content, etc., as the basic storage unit, records transactions and status results that occur within a period of time, and is a reference to the current ledger A consensus on status;
Chain: Linked by the last legal block value recorded in the header information of each block, forming a time-sequential block chain is a log record of changes in the state of the entire system.
Blockchain (BlockChain): A block file that records block size information, block header information, transaction counter, transaction specific content, etc., is used as the basic storage unit, and the previous legal block recorded in each block header information Values are linked to form a time-ordered blockchain.
Transaction (Transaction): An operation that leads to a change in the state of the ledger (block), such as adding a record;