- lack of knowledge - since they don't have knowledge and they sometimes think it will be hard to learn, they loose interest in it, but in reality with lots of information over the web and with bitcointalk its really easy to learn something about crypto
Ignorance is one of the major problems why people don't invest in Cryptocurrency, making people do not understand how to buy and sell in the crypto world, a good number of people lack this understanding and they claim it is insecure to invest into.