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2. Bitcoin - Wikipedia

   en.wikipedia.org/wiki/Bitcoin

   Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger , called a blockchain , without central oversight.

3. History of bitcoin - Wikipedia

   en.wikipedia.org/wiki/History_of_bitcoin

   One of the first supporters, adopters, contributors to bitcoin and receiver of the first bitcoin transaction was programmer Hal Finney. Finney downloaded the bitcoin software the day it was released, and received 10 bitcoins from Nakamoto in the world's first bitcoin transaction on 12 January 2009 (block 170).

4. Satoshi Nakamoto - Wikipedia

   en.wikipedia.org/wiki/Satoshi_Nakamoto

   Satoshi Nakamoto message embedded in the coinbase of the first block. Nakamoto said that the work of writing bitcoin's code began in the second quarter of 2007. [9] On 18 August 2008, he or a colleague registered the domain name bitcoin.org, [10] and created a web site at that address.

5. Bitcoin in El Salvador - Wikipedia

   en.wikipedia.org/wiki/Bitcoin_in_El_Salvador

   In 2021, the government of El Salvador began purchasing bitcoin. It spent about $85.5 million on bitcoin between September 2021 and January 2022. [52] The value of bitcoin began decreasing in November 2021, and had fallen by about 45% of its value by January 2022. [53]

6. List of cryptocurrencies - Wikipedia

   en.wikipedia.org/wiki/List_of_cryptocurrencies

   A bitcoin-based currency featuring instant transactions, decentralized governance and budgeting, and private transactions. 2014 NEO: NEO Da Hongfei & Erik Zhang SHA-256 & RIPEMD160: C# [32] dBFT: China based cryptocurrency, formerly ANT Shares and ANT Coins. The names were changed in 2017 to NEO and GAS. 2014 MazaCoin: MZC BTC Oyate Initiative ...

7. Digital currency - Wikipedia

   en.wikipedia.org/wiki/Digital_currency

   PayPal launched its USD-denominated service in 1998. In 2009, bitcoin was launched, which marked the start of decentralized blockchain-based digital currencies with no central server, and no tangible assets held in reserve. Also known as cryptocurrencies, blockchain-based digital currencies proved resistant to attempt by government to regulate ...

8. Kraken (company) - Wikipedia

   en.wikipedia.org/wiki/Kraken_(company)

   Kraken; Type: Cryptocurrency exchange: Location: San Francisco, California, United States: Coordinates: 1]: Founded: July 28, 2011; 13 years ago (): Owner: Payward, Inc. [1]: Key people: Dave Ripley (CEO) [1]: Currency: Cryptocurrencies: [2] BTC, ETH, DOT, ADA, DOGE, XMR Fiat currencies: USD, EUR, JPY, GBP, CAD, AUD, CHF, AED: Website: kraken.com: Kraken (legally named Payward, Inc.) is a ...

9. CoinDesk - Wikipedia

   en.wikipedia.org/wiki/CoinDesk

   The Bitcoin Price Index is an average of bitcoin prices across bitcoin exchanges, and began by using price data from Bitstamp, BTC-e and CampBX. Although Mt. Gox data was not used initially, due to withdrawal concerns for US customers, [ 20 ] in November 2013, Mt. Gox was added to the BPI due to "a reduction in the risk premium and the option ...