NetworkCoins:

Description: NetworkCoins is a MySQL based currency system intended for use by Networks. It stores your Minecraft's IGN UUID in a MySQL table along with your balance. This plugin allows you to add currency, remove currency, get your balance and or another players and reset a players balance to 0. The plugin comes with its own API so you can integrate it into your own players.

Commands: /coins: View your current balance /coins help: View the plugins help /coins give (player) (amount): Give a player an amount of coins /coins take (player) (amount): Take an amount of coins from a player /coins reset (player): Reset a players coins /coins user (player): Get a players amount of coins

Config: http://pastebin.com/KzNFavWv