I don't think we have to limit children at their age to learn about cryptocurrency, specifically the bitcoin. In my own opinion, children are sent to school by their parents to learn what their household life experience cannot teach them. They are sent to school to become literate in all matters specially in financial. Children have to study for more than 16 years to become prepared for the real world. The corporate world and the world of investment-and bitcoin is now part of it! It may not be necessarily be included in the curriculum but I believe that schools should allow bitcoin enthusiast or volunteers to impart the foundation of bitcoin learning. At the end of the day, this will be beneficial to the children.