ChainCatcher news, according to the official website of the China Securities Regulatory Commission (CSRC), the CSRC has released 8 financial industry standards including the "Communication Guidelines for General Blockchain Infrastructure in Regional Equity Markets". The financial industry standard "Communication Guidelines for General Blockchain Infrastructure in Regional Equity Markets" specifies the communication guidelines between the general financial infrastructure based on a dual-layer architecture of "Regulatory Chain - Local Business Chain" and existing systems in regional equity markets. It clarifies the systems, main data objects, business scenarios, and operational instructions involved in six types of communication agreements: user registration agreement, asset registration agreement, fund mapping agreement, asset mapping agreement, transfer management agreement, and settlement management agreement. The formulation and implementation of these standards are beneficial for fully leveraging the supporting role of the "Regulatory Chain - Local Business Chain" dual-layer blockchain architecture on existing business systems and promoting the transformation and integration of existing business systems.