This section allow to use and set many currencies for offers and set minimum payouts.
You should go to Settings and click on Currencies.
You should to set a default currency to use and pick many others if you want to pay to the affiliates in different currencies and set the payouts for offers as well.
Your statistics will divide offers by currencies but you can see all the statistics in one default currency.
You can turn on/off the currency you need by clicking on a turn on/off button. To assign currency as default you need to click on the make default button.