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'''Bitcoin''' is a decentralized electronic currency system that is utilized through peer-to-peer networking. The network uses electronic signatures and other cryptographic proofs in order to conduct trades. Bitcoin has no centralized bank to make more bitcoin, so inflation and other devaluing of the currency would seemingly not be plausible. However the exchange rate between bitcoin and conventional currencies have fluctuated a large amount due to the amount of bitcoin held by speculators and a fear of government regulation and the lack of liquidity in the market for exchanging bitcoin for various conventional currency.
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'''Bitcoin''' is a decentralized electronic currency system that is utilized through peer-to-peer networking. The network uses electronic signatures and other cryptographic proofs in order to conduct trades. Bitcoin has no centralized bank to make more bitcoin, so inflation can only take place through the process of mining. The exchange rate between bitcoin and conventional currencies have fluctuated a large amount due to the amount of bitcoin held by speculators and a fear of government regulation and the lack of liquidity in the market for exchanging bitcoin for various conventional currency.
    
The bitcoin system was defined in a 2008 paper and then implemented in a set of open-source software issued in January 2009 by Satoshi Nakamoto, although third-party reviewers have questioned whether this is a ''nom de plume'' for one individual or a collective group of people.<ref>{{cite web|url=http://www.bitcoinfaststart.com/what-is-bitcoin/|title=What Is A Bitcoin And Is Bitcoin Money?|date=6 April 2014|accessdate=30 October 2014|quote=Bitcoin was introduced in January 2009 by someone named Satoshi Nakamoto. There has been much controversy since as to whether he is a real person, or a group of people, what his real name is and where he or they might live. There are reasons for this confusion. For example, the initial published research papers that the currency was founded upon have been analysed and there seem to be some grammatical differences between the use of American and English English, leading some people to suggest that Satoshi Nakamoto is actually a collective name for more than one person.}}</ref> All bitcoin transfers are recorded in a public ledger that uses cryptography to insure its autheticity and to prevent tampering.  This ledger will grow very long as more bitcoin transactions occur, so the ledger is divided into block with the blocks linked together to form a block-chain.  A large number of mathematical calculations are needed to maintain the block chain, so the bitcoin protocol provides a financial payment (in bitcoin) to the people who update the block-chain.  The process of updating the block-chain in exchange for a set amount of bitcoin is called "bitcoin mining."
 
The bitcoin system was defined in a 2008 paper and then implemented in a set of open-source software issued in January 2009 by Satoshi Nakamoto, although third-party reviewers have questioned whether this is a ''nom de plume'' for one individual or a collective group of people.<ref>{{cite web|url=http://www.bitcoinfaststart.com/what-is-bitcoin/|title=What Is A Bitcoin And Is Bitcoin Money?|date=6 April 2014|accessdate=30 October 2014|quote=Bitcoin was introduced in January 2009 by someone named Satoshi Nakamoto. There has been much controversy since as to whether he is a real person, or a group of people, what his real name is and where he or they might live. There are reasons for this confusion. For example, the initial published research papers that the currency was founded upon have been analysed and there seem to be some grammatical differences between the use of American and English English, leading some people to suggest that Satoshi Nakamoto is actually a collective name for more than one person.}}</ref> All bitcoin transfers are recorded in a public ledger that uses cryptography to insure its autheticity and to prevent tampering.  This ledger will grow very long as more bitcoin transactions occur, so the ledger is divided into block with the blocks linked together to form a block-chain.  A large number of mathematical calculations are needed to maintain the block chain, so the bitcoin protocol provides a financial payment (in bitcoin) to the people who update the block-chain.  The process of updating the block-chain in exchange for a set amount of bitcoin is called "bitcoin mining."
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Seth Meyers noted on his ''Late Night'' program, "[[Wikipedia]] is now accepting donations using the online currency Bitcoin. So now you can support information you're not sure is true with currency you're not sure is money."<ref>http://www.thespec.com/living-story/4733681-tuesdayfile/ Retrieved August 8, 2014</ref>
 
Seth Meyers noted on his ''Late Night'' program, "[[Wikipedia]] is now accepting donations using the online currency Bitcoin. So now you can support information you're not sure is true with currency you're not sure is money."<ref>http://www.thespec.com/living-story/4733681-tuesdayfile/ Retrieved August 8, 2014</ref>
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==Alternatives==
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Although Bitcoin is the best know Crypo-Currency, there are other "alt-coins."  These include:
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* [[LiteCoin]]
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* [[DogeCoin]]
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* [[BlackCoin]] ([[Proof-of-Stake]])
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* [[Namecoin]]
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* [[Ripple]]
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* [[Dash]]
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* [[Reddcoin]]
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* [[BitShares]]
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* [[Storjcoin X]]
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* [[Monero]]
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* [[Counterparty]]
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* [[Lumens]]
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* [[Bytecoin]]
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* [[Peercoin]]
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* [[NXT]] ([[Proof-of-Stake]])
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* [[MaidSafeCoin]]
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* [[Ethereum]]
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* [[Gridcoin]]
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* [[CureCoin]] (awarded for folding proteins for medical research)
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<br />
 
==References==
 
==References==
 
{{reflist|2}}
 
{{reflist|2}}
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==External links==
 
==External links==
 
*[http://www.khanacademy.org/economics-finance-domain/core-finance/money-and-banking/bitcoin/v/bitcoin-what-is-it Khan Academy]
 
*[http://www.khanacademy.org/economics-finance-domain/core-finance/money-and-banking/bitcoin/v/bitcoin-what-is-it Khan Academy]
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*[https://bitcoin.org Official Bitcoin Website]
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