Abstract:  Equity of the limited liability company needs to be registered in records of shareholders and administration for Industry & Commerce (AIC registration), which is called ′double registration′ system The equity registration system of AIC has been running for a long time, and cannot provide a credible appearance of equity It also does not meet the companys′ regulatory trends and institutional reform direction, which shaken the legal basis of the system Technical characteristics of the block chain are closely integrated with the capital market and can fit into technical needs of the equity registration, which can provide a credible appearance of equity The block chain has been practiced as a vehicle of records of shareholders Under this circumstance, the block chain can not only become the carrier of records of shareholders, but also replace or even optimize the AIC registration It provides an opportunity for the integration of records of shareholders and AIC registration

Key words: limited liability company, registration of equity, AIC registration, records of shareholders, block chain