Selenium eco-chain is a blockchain-based technology development, to create a service to the global health industry to centralize and point-to-point trading ecology, to establish a trusted health, pharmaceutical research, health data value sharing network. Developed by the HSE team, the selenium eco-chain ensures the security and reliability of accounts and assets through blockchain consensus, non-tamperable technology, and security means such as digital signatures and crypto wallets. Selenium eco-chain has the advantages of fast and simple transaction, open and transparent, enhanced information privacy protection, high operational efficiency, smart contract, centering, non-tamperable, strong anti-attack and so on. Support multi-currency exchange, multi-mining mode, multi-level distribution mode, liquidity, system security and other characteristics, ecological chain combined with the world selenium down-line mall increased the application scenario, the blockchain and health and selenium perfect integration. Selenium eco-chain based on blockchain technology, to create a blockchain properties of a healthy APP. Since the 21st century, with the rapid development of the new generation of blockchain technology and the development of the health industry, there will be broad market prospects. The selenium eco-chain will be issued with a total of 21 million HSEs and will never be issued. HSE will be made up of community incentives, team holdings, foundations and advocacy to promote the stability and prosperity of selenium ecosystem ecosystems. HSE prices will continue to rise with the operation of selenium ecological chain and the development of the project itself, the value of the platform itself will quickly double, in the future in the form of digital currency to buy the market's selenium-rich products will inevitably become a major trend in the background, the purchase of HSE will be on the blockchain and health and selenium perfect integration of the express train, the future benefits are immeasurable.