Abstract: 【Purpose/significance】Social network public opinion regulation is related to social stability, and blockchain is an impor⁃
tant application technology. The research on information dissemination characteristics and rules of blockchain social networks will
help to provide a theoretical basis for public opinion supervision of blockchain social applications.【Method/process】Based on block⁃
chain and information dissemination theory, this paper collects blockchain social network application data through crawler, adopts so⁃
cial network analysis method and uses Gephi for data visualization and statistical analysis software for data processing. On this basis,
the communities of the overall network is analyzed by comparison method, and the relationship between reputation and the user degree
is focused on.【Result/conclusion】Blockchain social network is scale-free network. The average cluster between communities is basi⁃
cally the same and lower. User posting volume obeys power law distribution. Users with high reputations have a greater influence in
the blockchain network, and they play an important role in the process of public opinion network information dissemination.【Innova⁃
tion/limitation】Based on the application of blockchain social network, this paper analyzes the characteristics and rules of public opin⁃
ion information dissemination of the overall blockchain social network and the blockchain community network. And it will use dynam⁃
ic network and super-network methods to analyze and research on the characteristics and rules of public opinion information dissemi⁃
nation on blockchain network.