I don't know if this is a Craftconomy thing or a vault thing, so I will post it in both plugins' pages. Craftconomy has a unique feature that allows multiple currencies, but currently, Vault will only pull from the server's "default" currency, rendering the other currencies null. What I think Vault SHOULD do is hook better into Craftconomy and interpret other currencies as valid.
I really don't know how it all works, but let me know if I'm way off base posting this here. Thanks!

I have experienced the same as above. I was able to actually create the currencies and assign a different currency to a different world, but when using plugins like signshop, it wouldn't pull the money out of anything but the default balance.

I wanted to have two worlds with two unique balance books and currencies where you could only access one of them from the corresponding world. This would be a great feature to have.

I'm with JericM, I don't see any reason that Vault shouldn't offer multiple currency support, unless it really would be impossible to do.

JericM, do you know how to code plugins, or do you know someone who does? A while back, Sleaker offered up a pull request for such code, but I haven't been able to persuade anyone to take him up on it.
#307

I really don't. I wish I did. I could learn easily, but time restraints wouldn't allow me to really invest and create a quality plugin :(