Well, not only this data, all activity on lemmy is public since it needs to be federated (sent to all instances subscribed to the community will receive all activity).
Which means any person can track anyone if they subscribe to the same communities the user’s instance has.
AFAIK the only activity not sent is saved content, and downvotes from content hosted in instances which disabled them.
EDIT: for more example, here’s my upvote to this post
You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: !privacyguides@lemmy.one
In the digital age, protecting your personal information might seem like an impossible task. We’re here to help.
This is a community for sharing news about privacy, posting information about cool privacy tools and services, and getting advice about your privacy journey.
You can subscribe to this community from any Kbin or Lemmy instance:
Check out our website at privacyguides.org before asking your questions here. We’ve tried answering the common questions and recommendations there!
Want to get involved? The website is open-source on GitHub, and your help would be appreciated!
This community is the “official” Privacy Guides community on Lemmy, which can be verified here. Other “Privacy Guides” communities on other Lemmy servers are not moderated by this team or associated with the website.
Moderation Rules:
We prefer posting about open-source software whenever possible.
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Well, not only this data, all activity on lemmy is public since it needs to be federated (sent to all instances subscribed to the community will receive all activity).
Which means any person can track anyone if they subscribe to the same communities the user’s instance has.
AFAIK the only activity not sent is saved content, and downvotes from content hosted in instances which disabled them.
EDIT: for more example, here’s my upvote to this post
And here’s the original comment
And all instances which are subscribed to this community need to receive this information to keep it updated.
IP addresses of accounts are also private?
Butt it’s not private! /S
All federated data (thus public) should be easily available to the end user. Otherwise we create a false sense of security.
Privacy is not the same as security…not to say Lemmy is either, but it’s definitely not “private.”