Something like this already exists: https://www.ascribe.io/ # I had to use it to submit some photos to a call for work a couple of years ago. After the call I wanted to delete the work, because I didn't want it hanging around in public view. Oh look! You can't! Because It's blockchain!
Immutable history is not always a compelling requirement, in fact sometimes it is at odds with many a use case.
Immutable history is not always a compelling requirement, in fact sometimes it is at odds with many a use case.