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
Digital currency currency is a money balance recorded electronically on a stored-value card or other devices. Another form of electronic money is network money, allowing the transfer of value on computer networks, particularly the Internet. Electronic money is also a claim on a private bank or other financial institution such as bank deposits. Digital money can either be centralized, where there is a central point of control over the money supply, or decentralized, where the control over the money supply can come from various sources. In 1983, a research paper by David Chaum introduced the idea of digital cash. In 1990, he