Yeah, you would need a way to filter out spam. I was thinking that maybe it’s the responsibility of the owner of the blog to maintain a list of legit comments… They would have to regularly scan the chain for… yeah this is getting tedious… nvm that.
Agreed, my concern was when using a protocol to link comments together.
I guess from this point is to actually start implementing it to really grasp the limitation of different approach. Thanks for the brainstorm @rob.