If a client did implement a block feature it would only work with other users of that client, and maybe other clients that choose to participate. It would not work on clients that don't implement it. The trolls you want to block would not opt in and would still be able to see and post on your notes. If that's good enough for you then that's great, because that's probably the closest you can get to what you want anyway. I feel like that's only a half measure and doesn't really solve your problem. It's basically the same as mute except other people can opt in on your mute list. Is that good enough?

I can appreciate that you want a block feature to feel safe, but the reason I'm so against it is because of the potential for abuse. Some people will use it to silence anyone who disagrees with them so they can spread their ideas without anyone pushing back on them. This can be used to spread propaganda, hate, misinformation, and all sorts of nasty things.

Anyway we'll see what develops and what people use. There are going to be all sorts of solutions to this problem that we haven't even thought of, and I think users will have the freedom to choose what works best for them. Since you aren't arguing for a protocol change I'm not going to push back so hard on this. I thought you were because that's the only way for a block system to be effective imo.