U.S President Donald Trump on Monday said there is a lot of interest in TikTok, as his administration seeks to broker a sale of the popular app.

Trump’s executive order creates a sovereign wealth fund to invest in key sectors and possibly acquire TikTok. Here’s how sovereign wealth funds work.

President Donald Trump issued an executive order calling for the creation of a U.S. sovereign wealth fund Monday, adding the new state investment vehicle could buy embattled social media platform TikTok.