Blockchain will Play An Improtant Role in Math Education

I am a math teacher. I meet a lot of students who have difficulties in learning mathematics. According to my observation, most of trouble is caused by the lack of scientific and effective training in the pre- arithmetic phase before 7-years-old.
In addition to the conventional method, Is there another method to help these little children traning their math abilities such as: counting, classify, corresponding?
When I were contact with Blockchain, I knew it is a data base which can fill in data decentralizedly. So I think if we make a chain which can record the baby’s train behaviour started from 4-years-old to 7-years-old. These unchangeable data will be very improtant role when the boys and gilrs met troubles in learning Math: the teacher could find the pupil’s defectness in their early training of basic skill in Math and he would know how to make remediations.
So I think blockchain can be uesd in Math Education. How do you think?