BANGALORE: Money usually takes the form of coins, banknotes and bank balances; and there are a number of different currencies in use around the world.

The difference in currencies lies in their values, which is based on the country’s economy and financial conditions and the countries with strong economy tend to have a strong currency. Here is the list of countries with cheapest currency as compiled by The Telegraph.

# Vietnamese Dong

1 U.S. Dollar = 21213.41 Vietnamese Dong

The Vietnamese dong is the currency of Vietnam. It is issued by the State Bank of Vietnam and is represented by the symbol "?".

After the revaluation of the Zimbabwean dollar on August 1, 2006, the dong became the least valued currency unit for months, and it still is one of the least valued currencies in the world. Around 21 March 2007, the revalued Zimbabwean dollar regained least valued currency status, and on 7 September 2007 in terms of official exchange rate.

After the use of the Zimbabwean dollar ceased on 12 April 2009, the dong is the second least valued currency unit after the Iranian rial as of 28 November 2014.

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