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2. Cryptocurrency wallet - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency_wallet

   An example paper printable bitcoin wallet consisting of one bitcoin address for receiving and the corresponding private key for spending. A cryptocurrency wallet is a device, [1] physical medium, [2] program or an online service which stores the public and/or private keys [3] for cryptocurrency transactions.

3. 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 ...

4. 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 .

5. 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 ...

6. Cryptocurrency - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency

   An example paper printable Bitcoin wallet consisting of one Bitcoin address for receiving and the corresponding private key for spending Main article: Cryptocurrency wallet A cryptocurrency wallet is a means of storing the public and private "keys" (address) or seed, which can be used to receive or spend the cryptocurrency. [ 83 ]

7. 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.