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
World currency Chinese renminbi was designated as one of the world's global currencies, and became one of the currency in the currency basket known as special drawing rights. On 16 March 2009, in connection with the April 2009 G20 summit, the Kremlin called for a supranational reserve currency as part of a reform of the global financial system. In a document containing proposals for the G20 meeting, it suggested that the International Monetary Fund (IMF) (or an Ad Hoc Working Group of G20) should be instructed to carry out specific studies to review the following options: On 24 March 2009, Zhou Xiaochuan,