Cryptocurrencies continue to vex investors, while simultaneously crowning new millionaires in this challenging time. While Bitcoin is the dominant virtual currency that grabs much of the attention, there are plenty of other cryptocurrencies out there, some of which are also popular and relatively high-profile such as Ethereum and Ripple. But there are many lesser known virtual coins, too; literally thousands of them.
While it remains relatively uncommon to actually purchase anything with these v