Everything in the future is unpredictable, and you will not make decisions for your child's thoughts. When the child grows up, they may have new ideas when they are young. I will not interfere with my child. If it is imposed on him, he may be more disgusted.
What I want you to understand in this aspect is that teaching your child a cryptocurrency at the earliest age is more preferable because I understand that this world is going to be a digital world in time coming so any child that is being born in this era is supposed to know about cryptocurrency from the beginning to the end so that when it grows up it will learn all the technology that come in contact with cryptocurrency