Digital currency destabilizing effect on the Chinese Yuan currency due to speculation. Recent interest in cryptocurrencies has prompted renewed interest in digital currencies, with bitcoin, introduced in 2008, becoming the most widely used and accepted digital currency. According to the European Central Bank's 2015 "Virtual currency schemes – a further analysis" report, virtual currency is a digital representation of value, not issued by a central bank, credit institution or e-money institution, which, in some circumstances, can be used as an alternative to money. In the previous report of October 2012, the virtual currency was defined as a type of unregulated, digital money,
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,