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 intervening on a wider scale back in 2009. George Soros expressed concern saying "I share the growing concern about the misalignment of currencies. Brazil’s finance minister speaks of a latent currency war, and he is not far off the mark. It is in the currency markets where different economic policies and different economic and political systems interact and clash." Considerable attention had been focused on China. For much of 2009 and 2010, China has been under pressure from the US to allow the yuan to appreciate. Between June and October 2010, China allowed a 2% appreciation of the yuan, but