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.

Millions of Americans this week downloaded the Chinese social networking app RedNote, also known as Xiaohongshu, as a possible U.S. prohibition of TikTok loomed.

As a TikTok ban looms, Americans are starting to download RedNote. Here's what you need to know about the app.