Bad thoughts wrote:
Ancient Egypt: transactions were conducted via measured amounts of grain, which could be used by the worker who earned it as food or for further transactions. This was not money, but a precise system of direct exchange. Indeed, most of the ancient economy worked without money, especially at the lowest levels. Simply put, coins were rare.
No, that's still currency: wealth exchanged for something else.
That's not what Trek is implying.
I don't care if there's never been a moneyless state. There's never been a space vessel with FTL drive, either.
Oh, I don't mind the idea in a sci-fi show. I'm just saying it would not work in real life simply because it would require a change in mankind's most basic psychological features.