Dogecoin Was a Joke. Now It's Worth $7 Billion.

Billy Markus created the cryptocurrency Dogecoin on a lark, based on a viral dog meme. Eight years later, his creation is worth billions of dollars. Markus and WSJ's Caitlin Ostroff explain how crypto's jokiest coin went to the moon. Learn more about your ad choices. Visit megaphone.fm/adchoices