Main command /eco:
/eco set [player] [amount] [currency] - sets the amount of a currency to the player - permission: neco.setbalance
/eco give [player] [amount] [currency] - gives the amount of a currency to the player - permission: neco.givebalance
/eco pay [player] [amount] [currency] - moves money from the player who have sent the command to the target player - permission: neco.pay
/eco info [player] - shows the player's amount of money of every currency - permission: neco.info