On the Hive blockchain there is no difference between the two. Again, you're confusing things here. On the Hive Engine blockchain there would be a difference which can be independently verified. The fact that Hive Engine uses transactions published on a separate blockchain to populate its own blockchain is definitely confusing and different than most other platforms, but that doesn't mean that it's not a blockchain or doesn't have the same properties as you are claiming.

This is getting very confusing. Hive-Engine has a blockchain of its own that is not Hive??? Is the existence of this separate blockchain documented somewhere?

F***, Hive very much needs user-defined native tokens. It sounds like an effin' mess right now!