Official reserve assets comprises foreign currency reserves, IMF reserve position, SDRs and gold. Total of a country's gold holdings and convertible foreign currencies held in its central bank. Usually includes foreign currencies themselves, other assets denominated in foreign currencies, and particular amount of special drawing rights (SDRs). A foreign exchange reserve is a useful precaution for countries exposed to financial crises. It can be used for the purpose of intervening in the exchange market to influence or peg the exchange rate.