The invention discloses a personal credit
information sharing system and method based on a block chain. The personal credit
information sharing system based on the block chain comprises a block chaincluster, an enterprise
service module, a
personal service module, an
information management module and a supervision module. The
system is characterized in that the
information management module is used for carrying out
user information management comprising real-name
authentication according to identity card information of a personal user and generation of a unique identity ID of the personal user through a hash
algorithm and BASE64 code, creating assets on the block chain cluster, managing the assets on the block chain cluster and carrying out real-name
authentication on the personal user; the enterprise
service module is used for carrying out
authentication on an enterprise user and distributing a login credential to an authenticated enterprise while providing relevant operation of thepersonal information for the enterprise user according to the authority provided by the supervision module, wherein the login credential comprises a private key and a digital
certificate. The system and the method can be widely applied to the fields of banks, credit, games, electronic commerce and the like.