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Pseudonymous Identifier
Privacy
An ID that doesn’t show your name but can still track you.
Definition
A pseudonymous identifier is an ID that doesn’t show your real name, but can still be used to recognize you.
In plain English
An ID that doesn’t show your name but can still track you.
Why this matters
Why it matters: “Not your name” doesn’t mean “anonymous.” It can still enable tracking.
Example
Example: An advertising ID that apps use to link your activity.