cryptocurrency is not so difficult to understand. People are the source of their difficulty to understand cryptocurrency, they don't look for the right information about it. All you need to know is that cryptocurrency is a digital currency just like physical fiat. It is used for the transaction of goods and services.
It's not that they don't look for the right information about it. Rather, they are expecting other people to teach them about the matter. I always stumble upon people who claim that they really want to learn about cryptocurrency so now that they have found out that I know crypto, they start bugging me. That's a really wrong attitude towards learning something. It's no one's responsibility to teach you in the first place except you're paying them. It's also inefficient to find an expert about the matter everytime a topic excites you. In other words, they are not doing their own research.
There are other things that they have to learn and understand such as decentralization, how blockchain works, and mining as well. Simply telling them that crypto is just like fiat but only digital will disappoint them. They wouldn't understand bitcoin's unique features and how it is different from digital fiat. With that being said, they are not going to understand how this whole technology is revolutionary and can free us from being slaves of the government.