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Bitcoin is a blockchain-based application run by a peer-to-peer network, implementing distributed protocol rules. Proposed in an article published in late 2008 by the pseudonymous Satoshi Nakamoto (later revealed to be Australian Craig Steven Wright), Bitcoin was intended as a new paying method meant to overcome the problem of securing e-payments independently from a third-party guarantee. When information is sent over the Internet, a copy is stored on the sender’s hard disk. If electronic money is sent, the recipient needs to be assured that the money he or she has received is not a valueless reproduction. This makes fundamental the guarantee that money spent is made unavailable to the payer, impeding any double spending. The aim of Bitcoin is securing payment in a pseudonym network, ...

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