What are pros & cons of naming in game currency a standard name vs a gimmick?

We’re creating a store and going to add an in game currency. We did a poll and Tokens & Sheep were the top options selected by the players.

I personally think Sheep would be more fun like a barter system as well as it is an in game resource as you may know from the Settlers of Catan (my game https://colonist.io/)

I know that https://starve.io/ has Golden Bread and https://surviv.io/ has Potato as in game currency.

Are there any other such examples? What are the pros cons of such naming?

I don’t know any big games which do such a thing.

Thank you for the insights.