For many people this is something unknown, you will not explain it to them in any way until they themselves understand it.
In my country, the authorities are trying to restrict people from cryptocurrencies, which is sad and this also affects
What could be the peoblem and what is their reason to restrict people from using cryptocurrencies?
Anyway nevertheless, the way you could show or introduce blockchain to those people who doesn't believe it is that living an examplary life style by which it's reflecting on you so if they find out that you are doing well probably you are living large and driving a very good car I think they will pay attention to you while talking to them because you are made from Crypto.