Bitcoin is hard to explain. I also experienced difficulties in understanding bitcoin for the first time. Let's share how to explain bitcoin to children of teenagers. In my country, I can say that 98% of children do not know bitcoin. In fact, bitcoin can be future money. If children are not familiar with cryptocurrency or bitcoin, how they might face the digital age in the future.
In my own idea on how to explain bitcoin to the children is by using the modern technology. We can make an online or offline games for children. Were in inorder to rank up they will choose wisely the weapon that they will be using and when they won they will be given a token. They will hold it until it pump, token will be use to buy equipments or weapons. We can also show videos, pictures or having a seminar on bitcoin in an interesting way. Children are fun in playing so best idea is by games.