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2. Economics of bitcoin - Wikipedia

   en.wikipedia.org/wiki/Economics_of_bitcoin

   A bitcoin ATM in California. Bitcoins can be bought and sold both on- and offline. Participants in online exchanges offer bitcoin buy and sell bids.Using an online exchange to obtain bitcoins entails some risk, and, according to a study published in April 2013, 45% of exchanges fail and take client bitcoins with them. [30]

3. How to buy Bitcoin: the 3 best ways - AOL

   www.aol.com/finance/buy-bitcoin-3-best-ways...

   One of the easiest ways to purchase Bitcoin is through an exchange, the biggest and best of which feel a lot like using a typical online bank or brokerage. Exchanges make money through transaction ...

4. Cryptocurrency wallet - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency_wallet

   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] After the release of version 0.9, the software bundle was renamed Bitcoin Core to distinguish itself from the underlying network. [11] [12] Bitcoin Core is, perhaps, the best known implementation or client.

5. Bitcoin - Wikipedia

   en.wikipedia.org/wiki/Bitcoin

   To use bitcoins, owners need their private key to digitally sign transactions, which are verified by the network using the public key, keeping the private key secret. [7]: ch. 5 Bitcoin transactions use a Forth-like scripting language, [7]: ch. 5 involving one or more inputs and outputs. When sending bitcoins, a user specifies the recipients ...

6. 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.

7. Better than Bitcoin? 5 higher-return ways to trade Bitcoin - AOL

   www.aol.com/finance/better-bitcoin-5-higher...

   While traders can still purchase Bitcoin from a crypto exchange, it’s now possible to wager on Bitcoin’s rise and potentially generate even higher — but more volatile — returns in a ...

8. Scammers exploit bitcoin ATMs. Will new California laws help ...

   www.aol.com/news/scammers-exploit-bitcoin-atms...

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9. 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 ...