Abstract:

Recently, more and more people are quite attracted to a new digital currency which is called Bitcoin because of its anonymity, non-central authority, limited total amount, low transaction cost and free?convertibility However, it could cause problems or risk of speculation, cyber crime, the waste of resource, the huge fluctuation in the price and so on The emergence of Bitcoin is attributed to technical, economic and social factors So rather than in just one aspect, Bitcoin should be concerned in different aspects, such as research, education and governance

Key words: Bitcoin, non-central authority, transaction cost