blockchain can be used only for digital currency, Knowledge

Profit and loss of the day: -1.2wOut: Dongyi Risheng (lightening) Yanshan Technology (lightening)Enter:

Special statement: personal operation records are not used as any investment advice, so don't blindly buy them! The stock market is risky, so you need to be cautious in investing!Enter:Out: Dongyi Risheng (lightening) Yanshan Technology (lightening)

Ps: It's better to read thousands of books than Wan Li Road, and it's better to read countless people than Wan Li Road. It's better to follow the footsteps of successful people than to read countless people and guide the way by famous teachers. Like a rich life, the stock grows red!Hold: Yanshan Technology Qinshang shares Dongyi Risheng