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 dollar float freely. While the US has taken no direct action to devalue its currency, there is close to universal consensus among analysts that its quantitative easing programmes exert downwards pressure on the dollar. According to many analysts the currency war had largely fizzled out by mid-2011, though others including Mantega disagreed. As of March 2012, outbreaks of rhetoric were still occurring, with additional measures being adopted by countries like Brazil to control the appreciation of their currency. Yet by June, there were signs that currency misalignment had been levelling out in China and across the world, with even Mantega