Currency board the Deutsche Mark from 1992 to 1999 when it switched to fixing to the Euro at par. The peg to the Euro was upheld until January 2011 with Estonia's adoption of the Euro. This policy is seen as a mainstay of that country's subsequent economic success (see Economy of Estonia for a detailed description of the Estonian currency board). Argentina abandoned its currency board in January 2002 after a severe recession. To some, this emphasised the fact that currency boards are not irrevocable, and hence may be abandoned in the face of speculation by foreign exchange traders. However, Argentina's system
World currency unit World currency unit There are two different types of World Currency Unit in use today that have different origins and usages. The WCU was proposed by Lok Sang Ho of Lingnan University, Hong Kong. The WCU was first intended to be the basis for denominating global bonds, a debt instrument that is issued globally and is subscribable by people and institutions around the world. Simply put, it is a GDP-weighted basket of key currencies each of which is indexed against inflation for the relevant countries. The WCU is defined with respect to a base year, so that each unit represents