Dogecoin is a user-based cryptocurrency. It is supported by a strong following.
Some coins are supported by development and technology and some coins, like Dogecoin, are supported mostly by it's strong community, privacy, security, ease of transactions and use.
Dogecoin is a legitimate cryptocurrency and is here to stay as long as it has a strong community base, it's being traded and is being utilized as a true digital currency throughout the world. Just remember with cryptocurrency, it's not just about development and technology, some coins or blockchains are simply user based- Go see Redcoin!