Trump also said that if this fund goes through, the money in it could be used for something like buying TikTok. The app’s fate has been up in the air since a law requiring new ownership took effect in January. Rachel Wellhausen, a professor of government at UT Austin, said there are many ways to operate a sovereign wealth fund.

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.