if you want to identify different session, I think it is the best way to use https to identify the public key. How to get the public key of the client? Is it accessible to the front-end browser, or is there a way for the nodejs server to get it?
there is no way.
js does not have permissions
browsers do not have such high permissions, such as the ip of a website. See if there is any way to get it through the server, and then return
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