BLOCKCHAIN SYSTEM AND DATA PROCESSING METHOD FOR BLOCKCHAIN SYSTEM

摘要

A blockchain system and a data processing method for a blockchain system are disclosed. The blockchain system includes: a regulatory terminal and a transaction terminal. The regulatory terminal is configured to issue an ID key of the transaction terminal according to an ID of the transaction terminal, and operate on privacy data of the transaction terminal based on the ID key of the transaction terminal. The ID of the transaction terminal is an account address. The transaction terminal is configured to operate on local privacy data according to the ID key of the transaction terminal issued by the regulatory terminal. As such, the privacy protection over the blockchain system is effectively realized and the security is improved.