The document provides information about the Euro currency system. It discusses:
1) The Euro became the official currency of 11 EU member states known as the Eurozone in 1999.
2) The Eurozone has become the world's second largest economy.
3) Member states had to meet certain convergence criteria to join the Eurozone such as maintaining low inflation and deficit levels.
4) The European Central Bank was established to implement monetary policy for the Eurozone.