• The European Currency Unit (ECU) was the currency used by the European Monetary System (EMS) before it was replaced by the euro.

  • ECU was introduced in 1979 and replaced by Euro in 1999.
  • It was a composition of 12 member states of the European Union.
  • Along with the ECU, the Exchange Rate Mechanism (ERM) was introduced to reduce exchange rate volatility and achieve monetary stability in Europe.