What is doxxed on TikTok?

Could you elaborate on the term "doxxed" in the context of TikTok? Is it referring to the act of exposing personal information about individuals on the platform, potentially leading to harassment or other negative consequences? How prevalent is this issue on TikTok, and what measures are in place to prevent or address it? As a user, what should one be aware of to protect their privacy and avoid becoming a victim of doxxing?