Shopify recently released multi-currency for Shopify Plus merchants.It allows customers to check out in their local currency, and in turn, pays you out in that same currency.
Find out more about multi-currency here and here.
If you are using Ultimate Special Offers with multi-currency enabled, we recommend using percentage-based discounts. This way, customers will be able to receive your offers regardless of their local currency.
Dollar-based discounts and new price discounts will only work with customers using the same currency as your store. If you choose one of these discount types, your offer notifications and discounts will not be visible to customers using a different currency than your own.
If you’re using multi-currency and you’ve set up an offer with a new price or dollar-based discount, you will receive a notification letting you know that customers using different currencies won’t see your offers.