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 however by early October, Strauss-Kahn was warning that the risk of a currency war was real. He also suggested the IMF could help resolve the trade imbalances which could be the underlying casus belli for conflicts over currency valuations. Mr Strauss-Kahn said that using currencies as weapons "is not a solution [and] it can even lead to a very bad situation. There’s no domestic solution to a global problem." Daniel Tenengauzer, the head of emerging-market currency and rates strategy at Merrill Lynch, suggested talk of a currency war can be seen as "political posturing", noting that emerging economies had been