Wouldn't be surprised if he is sitting on a billion dollars of hidden crypto somewhere.
If you meant Trump, it's not hidden, they released a Trump meme coin and the rug pull was after the inauguration timed with the release of the Melania meme coin, though entirely speculatively makes more sense for the investors to be foreign governments buying influence less obviously than the last Trump administration like Saudi Arabia hiring his son in law.
It would have to be bitcoin, which isn't very hidden