President Donald Trump rewarded top investors in one of his cryptocurrency projects with a swanky dinner on Thursday night, an event that showed the ascendance of an emerging financial industry — and also the president's willingness to mix public office with personal profit.

Some 220 of the biggest investors in the $TRUMP meme coin were invited to Trump's luxury golf club in Northern Virginia, where they dined on filet mignon and halibut. According to participants' posts on social media, Trump spoke for about half an hour before dancing to the song "YMCA."