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From Wikipedia, the free encyclopedia
Digital currency is an electronically created and stored medium of exchange. Some digital currencies like Bitcoin can be used like money to buy physical goods and services.[1] The value of the currencies is largely derived from speculative trading but the fungibility of mainstream digital money is rising.[dubious – discuss][2][3] Bitcoin and all other similar cryptocurrencies are unrelated to any national government.[4] Early digital currencies had prices that were pegged to the price of gold or silver bullion. New cryptocurrency prices have a floating exchange rate similar to government fiat money. Digital currencies differ from virtual money used in virtual economies due to transactions that exchange money for real goods and services; not being limited to circulation within online games.[5]
http://en.wikipedia.org/wiki/Digital_currency
Digital currency is an electronically created and stored medium of exchange. Some digital currencies like Bitcoin can be used like money to buy physical goods and services.[1] The value of the currencies is largely derived from speculative trading but the fungibility of mainstream digital money is rising.[dubious – discuss][2][3] Bitcoin and all other similar cryptocurrencies are unrelated to any national government.[4] Early digital currencies had prices that were pegged to the price of gold or silver bullion. New cryptocurrency prices have a floating exchange rate similar to government fiat money. Digital currencies differ from virtual money used in virtual economies due to transactions that exchange money for real goods and services; not being limited to circulation within online games.[5]
http://en.wikipedia.org/wiki/Digital_currency