The main reason of people is do not want to invest, because they are scared to losing of money
because invest in the crypto is very risky, but possible can get a lot of profit too.
Lack of knowledge and lack of confidence are the main reasons behind this and that people still dont think so that crypto currencies can help them in having more earning.
All they know about the crypto currencies is that they are illegal and that investing into these coins will be a great loss and that they will not be able to make anything good. It will take some time to change the opinion of such persons and to understand this thing that investing in crypto will make them richer.