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  2. 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 ...

  3. List of cryptocurrencies - Wikipedia

    en.wikipedia.org/wiki/List_of_cryptocurrencies

    BitConnect was described as an open source, all-in-one bitcoin and crypto community platform but was later discovered to be a Ponzi scheme. 2018 KodakCoin: Kodak and WENN Digital Ethash [84] KodakCoin is a "photographer-centric" blockchain cryptocurrency used for payments for licensing photographs. Petro: Venezuelan Government: onixCoin [85 ...

  4. Bitcoin ATM - Wikipedia

    en.wikipedia.org/wiki/Bitcoin_ATM

    A Bitcoin ATM in Sandton City, South Africa. A Bitcoin ATM (automated teller machine) is a kiosk that allows a person to purchase Bitcoin and other cryptocurrencies by using cash or debit card. Some Bitcoin ATMs offer bidirectional functionality, enabling both the purchase of Bitcoin and the sale of Bitcoin for cash.

  5. What are Bitcoin ATMs and how do they work? - AOL

    www.aol.com/finance/bitcoin-atms-155409991.html

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  6. Free Bitcoin Mining Games: Learn and Earn - AOL

    www.aol.com/free-bitcoin-mining-games-learn...

    It’s a Bitcoin mining simulator game that allows users to earn Bitcoin at no initial cost — new users can earn free Satoshi straight away. A Satoshi is a term given to a fraction of a Bitcoin.

  7. 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.

  8. Circle (company) - Wikipedia

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

    The company has received over US$135 million in venture capital from 4 rounds of investments from 2013 to 2016, including US$50 million led by Goldman Sachs. [4] [5] [6] In April 2015 The New York Times reporter Nathaniel Popper wrote that the Goldman Sachs investment "should help solidify Bitcoin’s reputation as a technology that serious financial firms can work with."

  9. Bitcoin.com - Wikipedia

    en.wikipedia.org/wiki/Bitcoin.com

    As a cryptocurrency company, Bitcoin.com provides products, services, and information related to the purchasing, selling, storing, and using of cryptocurrencies. [1] [2] Bitcoin.com's flagship product is the Bitcoin.com Wallet, a platform for buying, selling, trading, holding, using, and managing cryptocurrencies. [3]