Still, it seems some people aren't paying heed. A bunch of wannabe investors are even going so far as to take mortgages out to buy bitcoin, while others are running up credit cards and turning to equity lines. That's according to securities regulator, Joseph Borg.

As the president of the North American Securities Administrators Association, he knows a thing or two about this stuff. Bitcoin is in the "mania" phase, Borg told CNBC in reference to the frenzy around the currency. And, while the launch of the first US Bitcoin futures exchange by Cboe is dragging it into the financial mainstream, that doesn't mean it will go the distance, according to Borg. He added that the currency is still not regulated, with regulators struggling to keep pace with the tech's innovation.

"We're looking at it from a money transmission point of view but that doesn't cover the entire bitcoin space," explained Borg. He concluded that the Blockchain technology that underpins Bitcoin is here to stay, along with cryptocurrency (in one form or another). Whether Bitcoin will survive all the speculative interest remains as unclear as ever.