Today or tomorrow, they have to be familiar with the bitcoin and blockchain technology so the fast we teach them the better it will be for them. There are many older people who love new technologies so teaching them will be better if you have one or find one because they will try to teach other people o their aged and also a study says that people of the same generation or same aged understand each other better. The future is these technologies, so every people who want to ease their life in the future should be knowledgable about it.