Is East Coast Mathematics legal?

Legal. East Coast Digital is a state-owned group company. The company was established on July 9, 2020. It is a formal company protected by official website certification laws. The company's projects have been certified by relevant departments. The main business scope includes general projects including data processing services and big data services. Blockchain technology related software and services, network and information security software development, software development, digital cultural and creative software development, information system integration services, information consulting services, etc.