First thing that comes into mind is the wrong impression on cryptocurrencies especially about Bitcoin. The scam around Bitcoin is what really hinders an ordinary person to engage into cryptocurrency. Bitcoin/Cryptocurrency in general has been used as a medium for scam and theft crimes. Though statistics say that there has been less crime related to Bitcoin before compared to now. Other factors are lack of knowledge about cryptocurrency, misleading fuds, lack of interest and etc... Most of the people is afraid of change. They want to stick to traditional currency and can't apprehend the future that lies into cryptocurrency.