• jmcs@discuss.tchncs.de
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      2 months ago

      Mastodon and Lemmy don’t actually share any data actually protected by GDPR, unless the users actively make it public (like using their real name).

      • Tuukka R@sopuli.xyz
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        2 months ago

        Am I right in my understanding that if you run a federated Lemmy instance, you can see who has upvoted what, even on other instances?

        Is that not something protected by GDPR?

        • jmcs@discuss.tchncs.de
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          2 months ago

          No, things like your home address, your IP address, birth date, health conditions, religion, etc are PII.

          Upvotes almost certainly falls into “legitimate purposes” since the data is required for moderation.

            • jmcs@discuss.tchncs.de
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              2 months ago

              Your instance has data covered by GDPR, but the data it sends to other instances is covered by the same exceptions as the data you send in a email. Without exceptions for legimitate interests it would be illegal to send an email from, say, mailbox to Gmail or Yandex Mail.

        • Microw@lemm.ee
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          2 months ago

          I guess that could be in regards to user profiling.

          Since no fedi platform aggregates user data like “user xy always upvotes topic a, therefore I will show him more on topic a via an algorithm”, or shows algorithmic advertisements, or sells user data for advertisements etc, I don’t think it’s relevant to GDPR at the moment.

        • jmcs@discuss.tchncs.de
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          2 months ago

          GDPR doesn’t include things you choose to make public, otherwise no social media could show your posts or username to anyone. My only doubt about Lemmy and Mastodon is about DMs where people have a reasonable expectation that they are private but they are not.

          Edit: and thinking about it, even DMs probably fall into the same exception as email.

          • Microw@lemm.ee
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            2 months ago

            That is wrong. GDPR of course covers public information. It simply does not force platforms to hide this kind of information. But transmission of these informations without user’s consent and especially sale of these informations could possibly be prohibited by a court referencing GDPR.

            • jmcs@discuss.tchncs.de
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              2 months ago

              But simply transmitting it for the purposes of making the protocol work, falls under legimitate purposes, like sending an email to email server in China

              • Microw@lemm.ee
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                2 months ago

                Absolutely.

                But if a fedi software/instance decided to do something else with this public data, it could get legally problematic. That is the point I’m making.