Bitcoin is difficult to explain. I also felt difficulties in understanding bitcoin for the firs time. Let's share how to explain bitcoin to children of teenagers. In My country I can say 98% children don't know bitcoin. In fact, bitcoin can be future money. If the children not familiar with cryptocurrency or bitcoin, how can they face the digital era in the future.
Bitcoin now a days is very popular. Even teenager or children know bout it. So its easy to them to understand what is bitcoin all about. All we need is to guide them on how to used bitcoin and how to be responsible in their bitcoin. Because they learn about bitcoin in internet or social media.