rich1.0ROCKSTAR (npub1j8…avrvg)https://njump.me/npub1j8y6tcdfw3q3f3h794s6un0gyc5742s0k5h5s2yqj0r70cpklqeqjavrvgnjumphttps://njump.meI doubt popular relays would sign up to block notes from certain npubs, but first step could be that npubs can express preference not to be mentioned by some other npubs. I don't see why those types of lists would not be welcomed by everyone - if someone is publicly willing to say - I don't want this npub to interact with me, the rest of the network should support that.