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2. Bitcoin - Wikipedia

   en.wikipedia.org/wiki/Bitcoin

   Bitcoin wallets were the first cryptocurrency wallets, enabling users to store the information necessary to transact bitcoins. [93] [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]

3. Cryptocurrency - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency

   By November 2018, bitcoin was estimated to have an annual energy consumption of 45.8TWh, generating 22.0 to 22.9 million tons of CO 2, rivalling nations like Jordan and Sri Lanka. [261] By the end of 2021, bitcoin was estimated to produce 65.4 million tons of CO 2, as much as Greece, [262] and consume between 91 and 177 terawatt-hours annually ...

4. What is Bitcoin? - AOL

   www.aol.com/finance/bitcoin-155903136.html

   Bitcoin suffers from some significant drawbacks that are intrinsic to its design, notably its limit on the number of coins in circulation and its general volatility. 1. Bitcoin is an energy hog

5. History of bitcoin - Wikipedia

   en.wikipedia.org/wiki/History_of_bitcoin

   Prior to the release of bitcoin, there were a number of digital cash technologies, starting with the issuer-based ecash protocols of David Chaum and Stefan Brands. [3] [4] [5] The idea that solutions to computational puzzles could have some value was first proposed by cryptographers Cynthia Dwork and Moni Naor in 1992.

6. Bitcoin vs. gold: Which is the better inflation hedge?

   www.aol.com/finance/bitcoin-vs-gold-better...

   For the latter definition, ... the Securities and Exchange Commission approved the applications of several spot Bitcoin ETFs, giving traders a simple way to buy and sell the cryptocurrency using a ...

7. 1 reason for new bitcoin mania: 'Simply not enough' supply - AOL

   www.aol.com/finance/one-reason-bitcoin-mania...

   A simple equation helps explain the heated rally in bitcoin: More coins are being bought each day than new ones are being created. 1 reason for new bitcoin mania: 'Simply not enough' supply [Video ...

8. 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. [32]

9. 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 ...