Bitcoin is a decentralized, point to point form of digital currency, with global circulation, open code, anonymous transactions and other characteristics. Bitcoin is changing the way its funds are stored, used and received, and as the world's first open source payment network, it is driving innovations in finance and business applications.
Bitcoin and other virtual currencies are reasonably defined as commodities
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Bitcoin trading as a commodity trading on the Internet, people at their own risk under the premise of participation in freedom.
Bitcoin is exciting because it can provide a relatively low cost trading network.