After years of rejecting the idea of a sale of TikTok’s US assets to an American buyer in order to avert a ban, China and ByteDance may have found an owner they could live with: Elon Musk.

For the Chinese authorities, selling TikTok to Elon Musk might mean handing the platform over to an ally whose business empire is heavily dependent on the Chinese market, while also being someone whose opinions are given significant weight by future U.

TikTok’s time will expire on Jan. 19 if no buyer is found or the Supreme Court rules in the app’s favor. Here’s what to know.