Currency board Helena continue to operate currency boards, backing their locally printed currency notes with pound sterling reserves. A gold standard is a special case of a currency board where the value of the national currency is linked to the value of gold instead of a foreign currency. For a precise definition of what constitutes a currency board, including past examples, see: Currency board A currency board is a monetary authority which is required to maintain a fixed exchange rate with a foreign currency. This policy objective requires the conventional objectives of a central bank to be subordinated to the exchange rate
Virtual currency law in the United States a percentage of these transactions. The Bitcoin exchange company Coinbase offers a payment service that allows merchants to receive Bitcoin and then automatically exchange the Bitcoin into fiat currency. The speed of this exchange helps merchants to avoid the volatility of Bitcoin. In September 2014, Ebay announced that its payment processor Braintree will be accepting Bitcoin. As of November 2014, the market capitalization of Bitcoin is just below $5 billion, but has reached historic highs close to $14 billion. The growth of Internet use and the virtual world is also increasing. World Internet use increased from 15.8% in 2005 to