Ethical concerns abound on the president's first big trip to the Middle East since reentering office. But if you really want conflicts of interest, take a look at his crypto projects.

This episode was produced by Victoria Chamberlin, edited by Jolie Myers, fact-checked by Laura Bullard, engineered by Andrea Kristinsdottir and Patrick Boyd, and hosted by Sean Rameswaram.

Listen to Today, Explained ad-free by becoming a Vox Member: vox.com/members. Transcript at vox.com/today-explained-podcast.

A billboard featuring President Donald Trump holding Bitcoin in Hong Kong. Photo by May James/SOPA Images/LightRocket via Getty Images.

Learn more about your ad choices. Visit podcastchoices.com/adchoices