Digital currency reduce risk, Zug immediately converts any bitcoin received into the Swiss currency.Swiss Federal Railways, government-owned railway company of Switzerland, sells bitcoins at its ticket machines. UK The Chief Scientific Adviser to the UK government advised his Prime Minister and Parliament to consider using a blockchain-based digital currency. The chief economist of Bank of England, the central bank of the United Kingdom, proposed abolition of paper currency. The Bank has also taken an interest in bitcoin. In 2016 it has embarked on a multi-year research programme to explore the implications of a central bank issued digital currency. The Bank of England
Private currency permit the transfer of points or miles. Some startups, such as the Canadian website Points.com, have sought to make loyalty "points" more currency-like by creating an exchange where points from one loyalty program can be traded for points in other such programs. A cryptocurrency is a form of digital or virtual currency where cryptography secures the transactions and controls the creation of additional units of the currency. A cryptocurrency wallet can be used to store the public and private keys which can be used to receive or spend the cryptocurrency. The cryptographic systems used allow for decentralisation; a decentralised cryptocurrency