This cryptocurrency wasn't originally meant to be a serious investment.

Cryptocurrencies are always roller-coaster investments, but one that's taken dedicated investors to lofty peaks and -- at times almost as quickly -- punishing lows is Dogecoin ( DOGE -1.11% ) .

The most well-known of all the numerous meme coins that have come in its wake, Dogecoin began as a satirical project sending up cryptocurrencies in general. Unintentionally, it became a major star in that galaxy. But I'm not here to judge a popularity contest; I really want to answer the question posed by the headline -- is Dogecoin a worthy investment at the moment?

Billions of doggies

Dogecoin has a massive float of over 151 billion (yes, that's billion with a "b") coins. Right away, there are two appealing fac

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