I suppose bitcoin investing is a sort of online game using real, or fiat currency, to buy imaginary currency.
As for all these pink sheet tickers morphing into bitcoin operations, I suppose it's how fads work on the pink sheets. Many moons ago it was solar panels, or used tire recyclers, or whatever else has been faddish in the past two decades.
The Nasdaq's third tier, the AMEX can be just as bad, and last but not least, the OTC, it seems, are financial venues that reward failure.