5 euro note founded on 1 January 1999, when it became the currency of over 300 million people in Europe. For the first three years of its existence it was an invisible currency, only used in accountancy. Euro cash was not introduced until 1 January 2002, when it replaced the national banknotes and coins of the countries in eurozone 12, such as the Irish pound and the Austrian schilling. Slovenia joined the Eurozone in 2007, Cyprus and Malta in 2008, Slovakia in 2009, Estonia in 2011 and Latvia on 1 January 2014. The changeover period during which the former currencies' notes and coins
WCU – World Currency Unit WCU – World Currency Unit The World Currency Unit (WCU) is an indexed unit of account (unit of account) that stands for a unit of real global purchasing power. Proposed by Lok Sang Ho of Lingnan University, Hong Kong, it was first intended to be the basis for denominating global bonds, a debt instrument that is issued globally and subscribable by people and institutions around the world. Since each unit by design represents a stable unit of purchasing power, the stipulated interest rate on WCU-denominated bonds represents a real interest rate. In principle, the common denomination of bonds by issuers