Research on Blockchain-Based Trustworthy Data Sharing and Privacy Data Protection Mechanism

With the accelerated digital transformation of the national economic activities, the digitization of traditional industries holds significant value in aspects such as gaining insights into business and markets, optimizing operational efficiency, etc. Effective data management and utilization will be crucial factors for the successful implementation of digital transformation. However, digital transformation also faces challenges such as data circulation and sharing, data security, and the credibility and reliability of data, which require effective solutions. Currently, the China places high importance on the application of blockchain technology, incorporating it into new infrastructure construction to serve our national digital economic strategy. Digital economy and blockchain technology are interrelated and can mutually promote each other’s development. Blockchain technology can provide a more secure and efficient platform for transactions and information management in the digital economy, addressing issues of trust in data sharing and information asymmetry in the process of digital economic transformation. This paper comprehensively analyzes the credibility issues in data sharing and the security and privacy protection of sensitive data. It proposes a blockchain-based mechanism for trustworthy data sharing and addresses privacy data security protection stored on the blockchain through the use of digital envelope technology.