Yes the time will come in future because the digital currency is booming. A lot of people already use this currency. Hopefully in future it will the main transaction system. So the basic learning should start from school.
I also believe that in the future it will be the mainstream therefore ot is very important that the next generation has the background or some sort of schema to the said topic. This wi be benificial for everyone to understand how it wroks and what is it for. And also this will be a preparation.