Digital currency impossible to reverse a transaction, justified or not. It is very similar to cash. Advantages of this system include it being cheaper to operate, and transactions are instantaneous. Western Union, KlickEx and Bitcoin are examples of this type of currency. Soft electronic currencies are the opposite of hard electronic currencies. Payments can be reversed. Usually, when a payment is reversed there is a "clearing time." This can take 72 hours or more. Examples of soft currencies are PayPal and any type of credit card. A hard currency can be "softened" with a third party service. Many existing digital currencies have
Currency War of 2009–11 the currency war had ended – governments of emerging economies were increasingly deciding to accept currency appreciation so as to mitigate rising food prices, one of the causes behind civil discontent driving the Arab Spring. In April, the "Financial Times" joined Bloomberg in reporting that the currency war was beginning to fizzle out, again suggesting a key reason was the trend for emerging economies to allow currency appreciation as a means to offset inflation. Although Brazil is one of the emerging countries that has recently abandoned intervening against appreciation, her finance minister Guido Mantega disagreed with suggestions that the 'currency