Shanghai-based Xiaohongshu, or RedNote as it is known in English, is a Chinese social media platform growing in popularity as an alternative to TikTok, but with the same security risks.

As the fate of TikTok hangs in the balance, U.S. TikTok users are flocking to Xiaohongshu — making it the top downloaded app in the U.S.

With TikTok's days in the U.S. likely numbered, many American users are moving to another Chinese social media app: RedNote, a heavily censored platform similar to Instagram. Here's what to know.