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 software and peer-to-peer network for the exchange of digital currencies. In early 2014, Pecunix announced they would be replacing their Pecunix Payments system with the open source Voucher-Safe system and PX-Gold. By the end of 2014, all legitimate digital currency exchangers had ceased dealing with Pecunix. In early 2015, Pecunix disabled the log-in feature of their website, thereby preventing all users from accessing their accounts. A statement on the Pecunix website claimed that this was a temporary change "due to new management and restructuring", but access was never restored. The P2P Voucher Payment System became fully operational in August 2015,