<P> It is estimated that over 450,000 businesses in the United States were involved in barter exchange activities in 2010 . There are approximately 400 commercial and corporate barter companies serving all parts of the world . There are many opportunities for entrepreneurs to start a barter exchange . Several major cities in the U.S. and Canada do not currently have a local barter exchange . There are two industry groups in the United States, the National Association of Trade Exchanges (NATE) and the International Reciprocal Trade Association (IRTA). Both offer training and promote high ethical standards among their members . Moreover, each has created its own currency through which its member barter companies can trade . NATE's currency is the known as the BANC and IRTA's currency is called Universal Currency (UC). </P> <P> In Canada, barter continues to thrive . The largest b2b barter exchange is Tradebank, founded in 1987 . P2P bartering has seen a renaissance in major Canadian cities through Bunz - built as a network of Facebook groups that went on to become a stand - alone bartering based app in January 2016 . Within the first year, Bunz accumulated over 75,000 users in over 200 cities worldwide . </P> <P> In the United States, the largest barter exchange and corporate trade group is International Monetary Systems, founded in 1985, now with representation in various countries . </P> <P> In Australia and New Zealand the largest barter exchange is Bartercard, founded in 1991, with offices in the United Kingdom, United States, Cyprus, UAE and Thailand . </P>

When would you expect to find barter exchange system used instead of money