[dplavery92]

> Those who read HN are likely aware of the differences and viable usecases.

I am unaware of any non-currency use case where blockchain brings any advantages to bear.

[sharemywin]

Anonymous Free speech.

Some kind of electronic notary service. - version labeling for code

You could tie a website to a bitcoin address by posting a file that had a hash which was written to the not in bitcoin.

[brokenmachine]

How would a blockchain help for an Anonymous Free speech usecase? Serious question.