Abstract: With a lot of valuable information of the trusted electronic records, the country's needs for long-term preservation of trusted electronic records become more urgent. It happens that blockchain technology provides a new means to meet the demand. This paper analyzes the value of long-term preservation of trusted electronic records, introduces blockchain technology and analyzes its function to the long-term preservation of trusted electronic records. Finally, it proposes build a national long-term preservation system of trusted electronic records, which based on blockchain technology as the axis, and from perspective of talent, law, conception, management, and policy, to analyze strategies of the system.

Key words:  Blockchain, trusted electronic records, long-term preservation