Cathay Financial Holdings is committed to achieving the goal of developing blockchain applications. To this end, it has formulated a blockchain alliance agreement to strengthen cooperation among alliance members in blockchain business, and urge alliance members to abide by the spirit of self-discipline, laws and regulations, and business ethics. In addition, in order to urge the alliance members to operate and maintain the information security of the alliance blockchain network, technical and information security specifications and formulation instructions are specially formulated as the information security benchmarks that all alliance members should meet. It is hoped that through the release of self-discipline conventions and technology and information security norms, the development and exchange of blockchain ecology in Taiwan will be promoted.