[tway223]

The data could be very likely legit. But they are not TikTok's user database. It is more like TikTok's ad/activity log for some customers. The passwords are for the logins from those customers if any.

This also explains why WeChat data is in the same database. And if you are paying attention, the WeChat tables are more complex which makes sense because WeChat has a much longer history in business.

[nabakin]

I don't know anything about what ad databases look like, but so far I haven't seen any evidence that the data is legit. Fake breaches happen every now and then so I wouldn't be surprised if this is one.

The sample has very little data for such a comparatively large claim of 2 billion.

[tway223]

To be clear this is not a TikTok ad database. This is a tracking database from a third party who manages their clients' business with TikTok (and others).

2 billion ad views are not that big. You are likely looking at logs not the core tables.