Digital currency payment transfer in order to facilitate easy payment and give the payee more confidence in not letting go of their electronic wallet during the transaction. A cryptocurrency is a type of digital asset that relies on cryptography for chaining together digital signatures of asset transfers, peer-to-peer networking and decentralization. In some cases a proof-of-work or proof-of-stake scheme is used to create and manage the currency. Cryptocurrencies allow electronic money systems to be decentralized. The first and most popular system is bitcoin, a peer-to-peer electronic monetary system based on cryptography. A virtual currency has been defined in 2012 by the European
Reserve currency Russia and the People's Republic of China, central banks, and economic analysts and groups, such as the Gulf Cooperation Council, have expressed a desire to see an independent new currency replace the dollar as the reserve currency. On 10 July 2009, Russian President Medvedev proposed a new 'world currency' at the G8 meeting in London as an alternative reserve currency to replace the dollar. China, Russia, India, Turkey, Brazil, Venezuela and other oil-producing countries have recently agreed "to transact all of their mutual trade and investment in their own currencies" effectively minimizing the need, at least in the short term,