You will confuse to tell what bitcoin or cryptocurrency are if youself didn't have knowledge about it. You have to know the basic thing about bitcoin and also you have to know the basic thing what blockchain is. I believe if you know the basic of both you will easily give a learn to people who has an interest to bitcoin. Giving a knowlegde to other people is important but before you give a knowledge you should overcome first what will you convey. If not, there will many question posed to you and you can't answer it and other people will doubt to know more about it.