Can I change this on the mod and who yes how?
A copper coin is worth 0.01 silver coins or 0.0001 gold coins.
Re: Silver/Gold Coins
2I'm not sure what the question here is exactly.
If you're trying to modify exchange rates between gold/silver/coppy coins: no, that's not possible.
If you're trying to modify exchange rates between gold/silver/coppy coins: no, that's not possible.
Re: Silver/Gold Coins
4up to @Nyuton but I doubt it, unless you can give rational reasoning on why this would be useful, to justify the efforts of implementing this feature.