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
Ven (currency) Initially, it was transferred using a Facebook application. By late 2008, it could be transferred using email addresses. Later it was positioned as an international digital currency. In December 2009 Hub Culture began using Ven as a micropayment system for the distribution of content produced by members in the network, allowing users to charge access to individual articles or videos posted inside the network system. In 2009, "The Wall Street Journal" described the currency as being pegged to the US dollar, and used by Hub Culture's users to trade goods, services, and knowledge. One user described having been paid in