Actually, we already have such things like alt.anonymous and they work well in p...

		gwern on Nov 29, 2013 \| parent \| context \| favorite \| on: Proof of Existence: Storing Hashed Files in the Bi... Actually, we already have such things like alt.anonymous and they work well in practice; see my just submitted https://news.ycombinator.com/item?id=6819799