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 gold currency transaction, while PayPal transfers, for example, could be considered more similar to credit card transactions. The advantage of this arrangement is that the operating costs of the digital currency system are greatly reduced by not having to resolve payment disputes. Additionally, it allows digital gold currency transactions to clear instantly, making the funds available immediately to the recipient. By contrast, credit cards, checks, ACH and other reversible payment methods generally have a "clearing time" of 72 hours or more. As with all financial media, there are several types of risk inherent to the use of DGCs: management risk, political risk,