The risks and challenges associated with blockchain technology and cryptocurrency are many and varied. Perhaps the most significant risk is the potential for hacking and theft, as there is no central authority overseeing the blockchain or regulating the currency.
This lack of regulation also means that there is no safety net for investors, which could lead to substantial losses if the value of the currency plummets.
Another challenge is the fact that blockchain technology is still in its infancy, and there is a lack of understanding about how it works among the general public. This could lead to problems down the line if the technology is not able to live up to its potential.
Finally, blockchain technology and cryptocurrency could have a negative impact on the economy if they replace traditional currency and banking systems. This could lead to job losses and a decrease in the overall level of economic activity.