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 symbol Currency symbol A currency symbol is a graphic symbol used as a shorthand for a currency's name, especially in reference to amounts of money. Although several former currency symbols were rendered obsolete by the adoption of the euro, having a new and unique currency symbol implementation of which requires the adoption of new Unicode and type formats has now become a status symbol for international currencies. The European Commission considers the global recognition of the euro sign part of its success. In 2009, India launched a public competition to replace the ₨ ligature it shared with neighbouring countries. It finalised