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2. Bitmain - Wikipedia

   en.wikipedia.org/wiki/Bitmain

   Bitmain's first product was the Antminer S1 which is an ASIC bitcoin miner making 180 gigahashes per second (GH/s) while using 80–200 watts of power. [8] Bitmain as of 2018 had 11 mining farms operating in China. [7] Bitmain was involved in the 2018 Bitcoin Cash split, siding with Bitcoin Cash ABC alongside Roger Ver. [9]

3. Bitcoin - Wikipedia

   en.wikipedia.org/wiki/Bitcoin

   Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Based on a free-market ideology, bitcoin was invented in 2008 by Satoshi Nakamoto, an unknown person. [5] Use of bitcoin as a currency began in 2009, [6] with the release of its open-source implementation. [7]: ch. 1 In 2021, El Salvador adopted it as legal tender ...

4. List of bitcoin companies - Wikipedia

   en.wikipedia.org/wiki/List_of_Bitcoin_companies

   bitcoin exchange [citation needed] Bitwala: 2015 Germany: Berlin: bitcoin debit card, international transfers, bitcoin wallet [2] Blockchain.com: 2011 Luxembourg: wallet provider [citation needed] Blockstream: 2014 United States: San Francisco: software [citation needed] BTC-e: 2011 Russia: bitcoin exchange Shut down by the United States ...

5. Bitcoin protocol - Wikipedia

   en.wikipedia.org/wiki/Bitcoin_protocol

   A diagram of a bitcoin transfer. The bitcoin protocol is the set of rules that govern the functioning of bitcoin.Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain technology, a public ledger that records all bitcoin transactions; mining and proof of work, the process to create new bitcoins and verify transactions; and ...

6. MARA Holdings - Wikipedia

   en.wikipedia.org/wiki/MARA_Holdings

   It is also the second largest corporate holder of bitcoin, owning 25,945 BTC as of November 2024, behind MicroStrategy. [10] Its chief executive officer is Fred Thiel. [11] In December 2023, Marathon Digital acquired two currently operational Bitcoin mining sites from subsidiaries of Generate Capital for $178.6 million. [12]

7. Cryptocurrency - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency

   Mining hardware is improving at a fast rate, quickly resulting in older generations of hardware. [255] Bitcoin is the least energy-efficient cryptocurrency, using 707.6 kilowatt-hours of electricity per transaction. [256] Before June 2021, China was the primary location for bitcoin mining.