Dogecoin, once just a fun internet meme, is now making serious waves in the world of trading.Donald Trump endorsed D.O.G.E, turning Dogecoin from a joke to a mainstream cryptocurrency.Trump appointed Elon Musk and Vivek Ramaswamy to lead the Department of Government Efficiency, aiming to make government operations more efficient.The endorsement and government involvement in Dogecoin could drive its price up and give it long-term legitimacy.