What Is Dogecoin? Dogecoin is one of the world’s most popular 'memecoins.' Launched at the end of 2013, Dogecoin was originally created as a joke, but it’s since become something seriously valuable. Sumit Roy | Sep 22, 2021 Reviewed by: Sumit Roy , Edited by: Sumit Roy View Bio Follow Author Dogecoin is one of the world’s most popular “memecoins.” Launched at the end of 2013, Dogecoin was originally created as a joke, but it’s since become something seriously valuable. In 2021, the coin became one of the world’s biggest cryptocurrencies, with a peak market capitalization of $85 billion. Sumit Roy | Contact: [email protected] Sumit Roy is a senior ETF analyst for etf.com. View Bio Follow Author