Legal basis: Article 4 of the Regulations on the Management of Blockchain Information Services encourages blockchain industry organizations to strengthen industry self-discipline, establish and improve industry self-discipline systems and industry standards, guide blockchain information service providers to establish and improve service norms, promote the construction of industry credit evaluation system, urge blockchain information service providers to provide services according to law and accept social supervision, improve the professional quality of blockchain information service practitioners, and promote the healthy and orderly development of the industry.