Where can I get dynamic codes?

China Mobile app. Click to open the mobile phone desktop, China Mobile, select My Open after entering, select the dynamic health code after opening the personal homepage, tick the authorization box after entering, and then click OK to answer two questions to improve personal information.

Social insurance is handled online. Users can obtain the dynamic code of the four-insurance network hall at the social insurance online handling office. Four insurances refer to four social insurances: endowment insurance, medical insurance, industrial injury insurance and unemployment insurance.

SMS password:

Short message password requests a dynamic password containing 6 random numbers in the form of mobile phone short messages. The identity authentication system sends a random 6/8-digit password to the customer's mobile phone in the form of short message, and the customer enters this dynamic password when logging in or authenticating the transaction.

So as to ensure the security of system identity authentication. SMS dynamic password authentication technology is considered to be one of the most effective methods to solve user identity authentication, which can effectively prevent hackers from stealing user account passwords, counterfeiting websites and other network problems, resulting in the loss of users' property or materials.