Currency board Helena continue to operate currency boards, backing their locally printed currency notes with pound sterling reserves. A gold standard is a special case of a currency board where the value of the national currency is linked to the value of gold instead of a foreign currency. For a precise definition of what constitutes a currency board, including past examples, see: Currency board A currency board is a monetary authority which is required to maintain a fixed exchange rate with a foreign currency. This policy objective requires the conventional objectives of a central bank to be subordinated to the exchange rate
World currency loan principal – is prohibited by the texts of some major religions. In Christianity and Judaism, adherents are forbidden to charge interest to other adherents or to the poor (Leviticus 25:35–38; Deuteronomy 23:19). Islam forbids usury, known in Arabic as riba. Some religious adherents who oppose the paying of interest are currently able to use banking facilities in their countries which regulate interest. An example of this is the Islamic banking system, which is characterized by a nation's central bank setting interest rates for most other transactions. World currency In the foreign exchange market and international finance, a world currency,