Lucky for you I had a sidemod comissioned and released for the pixelmon community but i see it as anyone can use:
Developer: Justin#5056
Allows players, admins, whoever to use alternate currencies for example the ones you can create with ecolite.
Commands
- /mpay
- /meco <set/add/remove>
- /mbal [player]
Permissions - /mpay -> multicurrency.pay
- /meco -> multicurrency.eco
- /mbal -> multicurrency.bal
- multicurrency.cantuse. Players with this permission cant pay others using the currency
- multicurrency.balother Allows the player to view the balance of someone else