I don't get it. Why should I be doing stuff with this?
It seems the only thing that Eth devs do is create smart contracts to fund Eth devs.
First thought is academic proof of work. Or to protect readers of news by alerting if text was modified. Thats what i know about. Its active research. Mostly anti-forgery tech.
I ought to read into the ether world better myself though. So take my words with a grain of salt.
A musing would be defending against malicious code injection ?