Bitcoin has had a very volatile trading history since it was first created in 2009.The alternative currency has seen a lot of action in its fairly short life.Bitcoins initially traded for next to nothing.The first real price increase occurred in July 2010 when bitcoins went from around $0.0008 to $0.08 for a single coin.The currency has seen some major rallies and crashes since then.Bitcoin was invented by the mysterious Satoshi Nakamoto in 2008 and released as an open-source software in early 2009.The first transaction took place between Nakamoto and an early adopter of bitcoin in January 2009.The first real-world transaction happened in 2010 when a bitcoin miner bought two pizzas from a Papa John's in Florida for 10,000 bitcoins.The currency is based upon a blockchain which contains a public ledger of all the transactions in the Bitcoin network.Those participating in the currency can mine for bitcoins using computer power.The currency had a small initial interest among cryptographers and those seeking to engage in transactions that could not be easily traced.

The currency gained wider exposure, both good and bad.More retailers opened up to using Bitcoin in 2012 and 2013.However, federal authorities shut down the Silk Road website, which used bitcoins for black market transactions, in October 2013.Gox bitcoin exchange also went under in 2014.Originally started as a site for trading game cards, it evolved into a marketplace for bitcoins.As of May 2013, the exchange was trading around 150,000 bitcoins per day.However, accusations of fraud surrounded the exchange when it closed down in 2014.The exchange lost around 850,000 bitcoins, although some of them have since been found.Bitcoin really started to take off in 2013.The currency began the year trading at around $13.50 per bitcoin.The price rallied in early April 2013 to get to over $220 briefly before dropping back down to around $70 by mid-April.This was the first real rally and associated crash for the currency.Bitcoin really began to rally in October and November of 2013.The currency was trading at around $100 in early October.

It reached around $195 by the end of October.In November, the price went from around $200 to over $1,120 by the end of the month.The rally was caused by new bitcoin exchanges and miners in China entering the marketplace.ethereum 900This period was also when the Mt.raspberry pi for bitcoin miningGox exchange was operating.ethereum miner motherboardGox was involved in around 70% of all bitcoin transactions.caida del bitcoin 2014The price began to get very volatile after reaching these highs.ethereum miner setupRumors of a lack of security through Mt.litecoin gpu miner software

Gox, as well as poor management, made the market nervous.People had problems withdrawing their money from the exchange.The price reached a high of $1,230 on Dec.This fell to around $750 by December 7, a drop of around 39% over a couple of days.king's college bitcoinTrading stabilized to some degree to around $920 in January 2014.fabio bitcoinHowever, there was another major crash in early February, around the time the Mt.bitcoin mt4 demoGox exchange filed for bankruptcy protection in Japan.Bitcoin was trading at around $911 on February 4, but it cratered to $260 by February 16.This is a decline of around 71%.The price did recover somewhat by March 2014, trading at around $620.The price then fell into a slower and more gradual decline.The currency was trading at around $600 in the middle of July 2014.

It eroded away to around $315 at the beginning of 2015.The price stabilized to some extent during the summer of 2015.However, early November saw another massive spike.The currency went from around $275 on October 23 to a brief close of about $460 on November 4 on certain exchanges.The currency sold off somewhat and traded around $360 at the end of November 2015.Bitcoin is traded on a number of non-centralized independent exchanges.There may be differences in the prices among the different exchanges.This may lead to arbitrage opportunities across the different exchanges.The lack of a centralized exchange makes it difficult to ensure a uniform price.Winklevoss Capital says remains 'committed' to bringing bitcoin ETF to market Winklevoss Capital, whose filing for a bitcoin-tracking exchange-traded fund was nixed by the Securities and Exchange Commission on Friday, said it remained "optimistic and committed" to bringing its Winklevoss Bitcoin Trust ETF to market."We agree with the SEC that regulation and oversight are important to the health of any marketplace and the safety of all investors," said Tyler Winklevoss, one of the owners of Winklevoss Capital, who is also the chief financial officer of Digital Asset Services.

The comment came in an emailed statement.In its statement, the SEC said the proposed ETF wasn't consistent with rules that required a security be "designed to prevent fraudulent and manipulative acts and practices and to protect investors and the public interest."In order for such a product to have met this standard, the SEC wrote in a filing, "the exchange must have surveillance-sharing agreements with significant markets for trading the underlying commodity or derivatives on that commodity.And second, those markets must be regulated."Language: Have an account?Olga Kharif @olgakharif Olga Kharif @olgakharif Olga Kharif is a technology writer for Bloomberg/Businessweek.My opinions are my own.0 Photos and videos Photos and videos Tweets & replies You blocked @olgakharif Are you sure you want to view these Tweets?Viewing Tweets won't unblock @olgakharif Loading seems to be taking a while.Twitter may be over capacity or experiencing a momentary hiccup.

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