Bitcoin is a peer-to-peer payment system using the same name for transaction logging. Cryptographic methods are used to ensure the functioning and protection of the system, but all transaction information between the addresses of the system is available in an open form. One of the main is full decentralization: there is no central administrator or any of its counterparts. Necessary and sufficient element of this system is the basic client program (it has open source). The client-driven programs that are running on multiple computers are connected to each other in a peer-to-peer network, each node of which is equally independent and self-sufficient. You can buy or sell in several ways: - directly from other users of the system. There are special forums and bulletin boards where users negotiate deals. To minimize the risks, you can ask someone to act as a guarantor of the transaction or use the payment system with payment confirmation. Such transactions are completely anonymous, you do not need anywhere else to register or pay any commission. - change Bitcoins to popular currencies in virtual exchangers. - open an account on one of the cryptocurrency exchanges and start bitcoin trading. There are exchanges for trading only cryptocurrencies, and exchanges where you can make transactions with world currencies. You can sell and buy bitcoins 7 days a week, 24 hours a day. - open an account in Alpari and start bitcoin trading in the Forex market. 88387
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