I'd be content to have a feature where I give the network a salted hash of my name (i'll hash it myself on my own machine), as a lookup. This way I can be disco

I'd be content to have a feature where I give the network a salted hash of my name (i'll hash it myself on my own machine), as a lookup. This way I can be discovered by only people who I want to discover me (I give the salt to my email contacts, put it on my blog, or use no-salt if I want).