Dogecoin's price action this past half year has been remarkable, defying the doubters again and again amid the broader retail investor phenomenon.Most importantly, Dogecoin has built the financial infrastructure in both the crypto-sector and broader business world that will ensure its place in the growing cryptocurrency economy.While the price action likely will continue to be volatile, Dogecoin is now firmly cemented in the public mind and its lasting value among cryptocurrencies is increasingly clear.