“bitcoin to euro -coin market”

As the market valuation of the total stock of bitcoins approached US$1 billion, some commentators called bitcoin prices a bubble.[135][136][137] In early April 2013, the price per bitcoin dropped from $266 to around $50 and then rose to around $100. Over two weeks starting late June 2013 the price dropped steadily to $70. The price began to recover, peaking once again on 1 October at $140. On 2 October, The Silk Road was by the FBI. This seizure caused a flash crash to $110. The price quickly rebounded, returning to $200 several weeks later.[138] The latest run went from $200 on 3 November to $900 on 18 November.[139] Bitcoin passed US$1,000 on 28 November 2013 at Mt. Gox.
In September 2014 TeraExchange, LLC, received approval from the U.S.Commodity Futures Trading Commission “CFTC” to begin listing an over-the-counter swap product based on the price of a bitcoin. The CFTC swap product approval marks the first time a U.S. regulatory agency approved a bitcoin financial product.[91]
In mid-Novermber 2015, BTCUSD hit $2200 on Gemini while trading around $330 on other exchanges. The trades were later reversed. Such events occur occasionally across exchanges, either due to human or software error.
In the bit gold proposal which proposed a collectible market based mechanism for inflation control, Nick Szabo also investigated some additional enabling aspects including a Byzantine fault-tolerant asset registry to store and transfer the chained proof-of-work solutions.[6]
Miners currently produce around 3,600 bitcoins per day, some portion of which they sell to cover electricity and other business expenses. The daily power cost of all mining is estimated around $500,000. Dividing that total by the current BTCUSD price provides an approximation of the minimum number of bitcoins which miners supply to markets daily.
Mt. Gox, the Japan-based exchange that in 2013 handled 70% of all worldwide bitcoin traffic, declared bankruptcy in February 2014, with bitcoins worth about $390 million missing, for unclear reasons. The CEO was eventually arrested and charged with embezzlement.[210]
BitcoinTalk user laszlo (Laszlo Hanyecz) pays 10,000 BTC for two pizzas delivered to their house (valued at about $25), ordered and paid for by another user, jercos. This assigns the first concrete valuation to bitcoin – about $0.0025 per coin.
Mr Green said: “Bitcoin – the world’s highest profile and largest by market-cap cryptocurrency – slumped by 30 per cent last week. There’s increasing scrutiny of the market by governments around the world, plus enhanced regulation. 
Bitcoins require unique private keys, and if those keys are lost, there really is no way to retrieve any lost bitcoins. Many modern wallet types, however, feature backup systems to allow you to create a new private key to restore a lost key on a new wallet.
No one. The Bitcoin network is controlled and maintained by all of the network’s users. Developers are constantly working to improve the software, but the software versions must follow the same rules and the network can only operate on a consensus basis.
In May 2016, Gatecoin closed temporarily after a breach had caused a loss of about $2 million in cryptocurrency. It subsequently relaunched its exchange in August 2016 and is slowly reimbursing its customers.[218][219]
The rise of digital cryptocurrency Bitcoin has been spectacular. Defying dire warnings from governments, regulators and central banks the price has accelerated in recent weeks as an ever-growing base of buyers have piled in.
^ Espinoza, Javier (22 September 2014). “Is It Time to Invest in Bitcoin? Cryptocurrencies Are Highly Volatile, but Some Say They Are Worth It”. Journal Reports. The Wall Street Journal. Retrieved 28 June 2016.
The European Court of Justice ruled that the exchange of Bitcoin and “virtual currencies” is not subject to value-added-tax (VAT) in the European Union. The ruling acts to classify Bitcoin and related alt-coins as currency, instead of goods or property.
Unlike fiat currencies however, there is no official Bitcoin price; only various averages based on price feeds from global exchanges. Bitcoin Average and CoinDesk are two such indices reporting the average price. It’s normal for Bitcoin to trade on any single exchange at a price slightly different to the average.