On November 26, the unveiling ceremony of the "Environmental Blockchain Joint Laboratory" and digital technology empowerment green development seminar jointly established by Lanzhou University and Lanzhou Environmental Energy Trading Center were held at Lanzhou Environmental Energy Trading Center. At the unveiling ceremony, Lanzhou University and Lanzhou Environmental Energy Trading Center signed the "Environmental Blockchain Joint Laboratory Cooperation Agreement". The “Environmental Blockchain Joint Lab” takes the development and application of cutting-edge environmental blockchain technology and key common technologies as the core, and creates a scientific and technological innovation platform that integrates discipline construction, talent training, technology research and development, and achievement transformation. At the same time, it will use the relevant colleges of Lanzhou University, the Aerospace Cloud Network, the China Banknotes Blockchain Technology Research Institute and other related institutions as technical support, rely on the Lanzhou Environmental Energy Trading Center's elemental trading market for market-oriented operations, and apply blockchain technology innovation to the environment. Supervision, green finance and ecological protection will better serve national and local economic and social development.