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2. List of bitcoin companies - Wikipedia

   en.wikipedia.org/wiki/List_of_Bitcoin_companies

   ASIC based bitcoin miners [citation needed] Circle: 2013 United States: Boston: wallet provider [citation needed] Coinbase: 2012 United States: No headquarters [4] [b] wallet provider, bitcoin exchange [citation needed] Coincheck: 2014 Japan: Tokyo: bitcoin/ether exchange, wallet provider, payment service provider, donation-based bitcoin ...

3. Blockchain.com - Wikipedia

   en.wikipedia.org/wiki/Blockchain.com

   Blockchain.com (formerly Blockchain.info) is a cryptocurrency financial services company. The company began as the first Bitcoin blockchain explorer in 2011 and later created a cryptocurrency wallet that accounted for 28% of bitcoin transactions between 2012 and 2020.

4. Block, Inc. - Wikipedia

   en.wikipedia.org/wiki/Block,_Inc.

   Launched in October 2013, Cash App (formerly Square Cash) is a digital wallet which allows sending and receiving money, investing in stocks or bitcoin, and filing taxes. [ 12 ] [ 25 ] [ 26 ] In March 2015, the firm introduced Square Cash for businesses, which includes the ability for individuals, organizations, and business owners to use a ...

5. Bitkey - Wikipedia

   en.wikipedia.org/wiki/Bitkey

   Bitkey is a digital wallet for bitcoin, available in the U.S. and 95 other countries. Launched in 2023 by Block, Inc. , a company founded by Jack Dorsey , Bitkey began shipping in March 2024. [ 1 ] [ 2 ] [ 3 ] It is a multisignature wallet , storing bitcoin independently of third-party cryptocurrency exchanges or custodial platforms .

6. Bitcoin - Wikipedia

   en.wikipedia.org/wiki/Bitcoin

   Bitcoin wallets were the first cryptocurrency wallets, enabling users to store the information necessary to transact bitcoins. [ 89 ] [ 7 ] : ch. 1, glossary The first wallet program, simply named Bitcoin , and sometimes referred to as the Satoshi client , was released in 2009 by Nakamoto as open-source software . [ 6 ]

7. Anthony Di Iorio - Wikipedia

   en.wikipedia.org/wiki/Anthony_Di_Iorio

   Anthony Di Iorio is a Canadian entrepreneur primarily known as a co-founder of Ethereum and an early investor in Bitcoin. Di Iorio is the founder and CEO of the blockchain company Decentral, and the associated Jaxx wallet. [1] He also served as the first chief digital officer of the Toronto Stock Exchange. [2]

8. Cryptocurrency wallet - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency_wallet

   The first wallet program, simply named Bitcoin, and sometimes referred to as the Satoshi client, was released in January 2009 by Satoshi Nakamoto as open-source software. [9] In version 0.5 the client moved from the wxWidgets user interface toolkit to Qt, and the whole bundle was referred to as Bitcoin-Qt. [10]

9. Cryptocurrency exchange - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency_exchange

   A cryptocurrency exchange can typically send cryptocurrency to a user's personal cryptocurrency wallet.Some can convert digital currency balances into anonymous prepaid cards which can be used to withdraw funds from ATMs worldwide [1] [2] while other digital currencies are backed by real-world commodities such as gold.