Implement user login without user profile

[playground]

Is your feature request related to a problem? Please describe.
As we scale up and scale out, we will want to consider password-protected certain features of the app, especially for functions like calibration, updating sensor name, time interval & etc.

Describe the solution you'd like
To avoid having to maintain a user profile and database and collect PI, we would want to look into web 3.0 technology to authenticate and authorize user with digital wallet. Here is a reference link to implement this capability