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
Currency War of 2009–11 the currency war had ended – governments of emerging economies were increasingly deciding to accept currency appreciation so as to mitigate rising food prices, one of the causes behind civil discontent driving the Arab Spring. In April, the "Financial Times" joined Bloomberg in reporting that the currency war was beginning to fizzle out, again suggesting a key reason was the trend for emerging economies to allow currency appreciation as a means to offset inflation. Although Brazil is one of the emerging countries that has recently abandoned intervening against appreciation, her finance minister Guido Mantega disagreed with suggestions that the 'currency