1. ^ From Middle English: curraunt, "in circulation", from Latin: currens, -entis, literally meaning "running" or "traversing"
  1. ^ The total sum is 200% because each currency trade always involves a currency pair; one currency is sold (e.g. US$) and another bought (€). Therefore each trade is counted twice, once under the sold currency ($) and once under the bought currency (€). The percentages above are the percent of trades involving that currency regardless of whether it is bought or sold, e.g. the U.S. Dollar is bought or sold in 88% of all trades, whereas the Euro is bought or sold 32% of the time.


  1. ^ "Currency". The Free Dictionary. currency [...] 1. Money in any form when in actual use as a medium of exchange, especially circulating paper money.
  2. ^ Bernstein, Peter (2008) [1965]. "4–5". A Primer on Money, Banking and Gold (3rd ed.). Hoboken, NJ: Wiley. ISBN 978-0-470-28758-3. OCLC 233484849.
  3. ^ "Currency". Investopedia.
  4. ^ "Guide to the Financial Markets" (PDF). The Economist. p. 14. Determining the relative values of different currencies is the role of the foreign-exchange markets.}}
  5. ^ "Electronic finance: a new perspective and challenges" (PDF). Bank for International Settlements. November 2001. Retrieved May 11, 2020.
  6. ^ "Regulation of Cryptocurrency Around the World". August 16, 2019. p. 1. One of the most common actions identified across the surveyed jurisdictions is government-issued notices about the pitfalls of investing in the cryptocurrency markets. [...] Many of the warnings issued by various countries also note the opportunities that cryptocurrencies create for illegal activities, such as money laundering and terrorism.
  7. ^ "Frequently Asked Questions on Virtual Currency Transactions". December 31, 2019.
  8. ^ Banaji, Jairus (2007). "Islam, the Mediterranean and the Rise of Capitalism". Historical Materialism. 15 (1): 47–74. doi:10.1163/156920607X171591. ISSN 1465-4466. OCLC 440360743. Archived from the original on May 23, 2009. Retrieved August 28, 2010.Counterfeit money
  9. Currency band
  10. Currency transaction tax
  11. Debasement
  12. Exchange rate
  13. Fiscal localism
  14. Foreign exchange market
  15. Foreign exchange reserves
  16. Functional currency
  17. History of banking
  18. History of money
  19. Mutilated currency
  20. Optimum currency area
  21. Slang terms for money
  22. Virtual currency
  23. World currency
  24. Accounting units