Except everything after "Looking forward," is still an open research problem. > Some have been exploring IPFS as a potential mechanism IPFS has no anonymity,

Except everything after "Looking forward," is still an open research problem. > Some have been exploring IPFS as a potential mechanism IPFS has no anonymity, so individual nodes could be attacked the way individual torrenters got sued back in the day. > but there are many ways this could be done There are currently no scalable ways this could be done. If there were you wouldn't have a single bold researcher providing a single point of failure search engine that hops to some other location each time authorities shut it down.