If a currency is not found in the application there are two steps to address this:
Apply an Exchange Rate - note: if you don’t add a currency rate the user will be able to enter one on the interface.
Some countries use a currency that is not their own as their official currency, below are a list of the most recently internationally recognized countries and their currencies:
South Sudan (Formed on July 9, 2011) - SSP South Sudanese Pound - this currency is not currently supported by Oanda
Kosovo (Formed on February 17, 2008) - EUR Euro - Kosovo is not part of the euro area commonly called the eurozone (EZ), but has unilaterally adopted the Euro as currency
Montenegro (Formed on June 2, 2006) - EUR Euro - Montenegro is not part of the euro area commonly called the eurozone (EZ), but has unilaterally adopted the Euro as currency
East Timor (Formed on May 20, 2002) USD US Dollar is the official currency. The country also issues centavo coins for use alongside United States dollar banknotes and coins, these are pegged with US Dollar
Palau (Formed on October 1, 1994) USD US Dollar is the official currency.
Eritrea (Formed on April 27, 1993) - ERN Eritrean Nakfa
Mozambican Metical - use MZN as the currency code for the Mozambican Metical.
MZM was the old currency code used before 2006, when Mozambique revalued its currency. The new currency, Metical (plural: Meticais), was introduced, and the code MZN replaced MZM.
So, for any current financial transactions, use MZN.