Secure Scuttlebutt does exactly this. It is supper effective, and the only social network that I participate in, except for HN. It's effective because you fol

Secure Scuttlebutt does exactly this. It is supper effective, and the only social network that I participate in, except for HN. It's effective because you follow the profiles that you find interesting, when a profile becomes abusive you simply block them from being replicated by your machine. Folks can have as many profiles/feeds as they like, so you can separate out portions of your life that others might find distasteful, or boring.