Alex North

> I've added a link to the draft implementation in the [builtin-actors](https://github.com/filecoin-project/builtin-actors/pull/1557) repository. Is it OK to move this FIP forward for consideration, while we continue to refine the draft...

I made my [comments on the new v3 version in the Google doc](https://docs.google.com/document/d/1RNLyuvyg5v8Va-HonOk-FeluFFjyZEjJitMze7F67-Q/edit) which was published at the same time, for faster/easier initial discussion.

Solid proposal, and I gather the splitstore approach is further along now than when this was written. I would be very wary of the approach of writing/maintaining our own k/v...

@juanpmcianci @AxCortesCubero I have extended this idea with a further proposal for [dynamic proof fees via demand pricing](https://github.com/filecoin-project/FIPs/discussions/587). I think it makes sense to review these two together as one...

Thanks! Nice work. I concur that a better feel for in which situations the positive feedback dynamic exists, and when the share-of-power overtakes it, would be a next step to...

So if we want a milestone to render with a start time at date X, we need to add a child milestone with a finish date around X? Or X...