I see where things are confused. In this case, I guess it depends on whether you store the entire sequence of states of the application or if you're storing the

I see where things are confused. In this case, I guess it depends on whether you store the entire sequence of states of the application or if you're storing the entire sequence of events emitted. I was thinking of the former, while you were thinking of the latter. If the entire state of the application is contained in one place, you don't need to reply events from the beginning. You just need the application state at the point.