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Re:You can change your number by kelnos on Monday February 07, 2022 @07:28PM (#30253497)
> Alternatively, if I have a username "not_godelski" then how do I get in contact with someone on HN while maintaining anonymity?

You can't, and I don't think that's a surprising outcome. If you have a non-anonymous identity on one platform, and link it to your anonymous identity on another, then that latter identity is no longer anonymous.

You just can't really mix your anonymous and non-anonymous worlds without de-anonymizing the latter. That's kinda a fundamental property of how anonymity works, isn't it?

Re:You can change your number by kristianbrigman on Monday February 07, 2022 @09:08PM (#30254133)
There is a great chapter in ‘The Art of Invisibility’ that describes a lot of the ways in which your anonymity can be compromised…
Re:You can change your number by yeetaccount666 on Monday February 07, 2022 @10:01PM (#30254463)
Signal could create pseudonymous UN's on the fly
Re:You can change your number by fluidcruft on Monday February 07, 2022 @09:03PM (#30254103)
How is it different from operating say two reddit accounts (one anonymous and another that's non-anonymous)?