The International Monetary Fund (IMF) created an international reserve asset to supplement existing reserves in response to global demand, which is known as:

The International Monetary Fund (IMF) defines and maintains special drawing rights (SDRs), which are additional foreign exchange reserve assets (IMF). SDRs are the IMF’s units of account, not a currency in and of themselves. They represent a claim on IMF member countries’ currency, which they can be traded for. SDRs were formed in 1969 to fill a gap in preferred foreign exchange reserve assets such as gold and US dollars. Special drawing rights have the ISO 4217 currency code XDR and the numeric number 960.