Hi,
We use Amplitude to track activity on our B2B which requires a login, so we set our UserID to be the email address, we also store a duplicate user property called Email (just in case we want to change the UserID later). So for every event we get pass the user’s email twice.
I’m considering data retention and wondered if there’s any way to pseudonymise these values if I want to forget a particular user, but not lose their event history?
Hi
As a best practice, it’s recommended to avoid setting the user’s email id as the user_id since it’s both a PII and a value which might get changed in the future.
If you intend to change the user_id of an existing user in the future to their new email id, then Amplitude will count that new user id as a totally new unique user.
Re. the Pseudonymization, I’m not aware of any out of the box solution in Amplitude which can enable your specific use case.
Hope this helps.
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