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
Digital currency instant real-time payment system developed by National Payments Corporation of India facilitating inter-bank transactions. The interface is regulated by the Reserve Bank of India and works by instantly transferring funds between two bank accounts on a mobile platform. UPI is built over Immediate Payment Service(IMPS) for transferring funds. Being a digital payment system it is available 24*7 and across public holidays. Unlike traditional mobile wallets, which takes a specified amount of money from user and stores it in its own accounts, UPI withdraws and deposits funds directly from the bank account whenever a transaction is requested. It uses Virtual Payment