I agree with some of the members who are of the opinion that you don't need to understand every thick and thin of something especially money to use it, once you know it has a value and it can buy you things you yourself start using it that's it.
yeah everyone has their own thoughts and of course they also have different favorite things. so if you want to make teenagers interested in bitcoin, tell about bitcoin that releated with things they like
Just like tell them simply that bitcoin is literally a source of income and real money. And they will surely gonna love as they are teenagers.
They have a lot of things to buy and I assure that it is goin' to be an easy thing for you if you can simply explain what bitcoin really is.
It matters their needs if you can tell them the important things about it.