Cryptocurrency is the best one to invest with our money because it is one I tried and tested but if I ever try stock market, maybe if I have a free time for making some Investments for it. And I think many people would rather choose their own decision.
Cryptocurrency is best only if one has the wisdom and knowledge to make right decisions of investment in the right time that could maximize ones profit and hence the future return.
It is actually free of any default risk that is sometimes positive in the stock market shares and reduces the probability of earning the amount you intend to earn. So I go for crypto currency investment and choose long term investment for it is better to earn big money than small.