if anyone wants to dig in to Sybil resistance on the p2p layer, I came across this

also this was his WIP thread whilst he was researching and writing that:

Interesting

Isn't that a bit opposed to some of the other methods we're trying to use to obscure tx origins though?

That is, making it more ambiguous when a particular tx was actually sent

I guess if its only used to populate the initial peerlist it could work