Secretum is a revolutionary secure information transmission and trading application; It is the world's first and only decentralized, encrypted information transmission and over-the-counter trading blockchain application.The design of SER tokens is to promote multiple functions. The most basic is transactional, which will serve as the basic structural unit of the Secret ecosystem. It will be used to promote rewards, pledges, and serve some governance functions. Tokens will also be necessary for users to establish their own nodes for secure and encrypted communication....