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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. Futures contract - Wikipedia

   en.wikipedia.org/wiki/Futures_contract

   Cryptocurrencies – see Perpetual futures; Trading on commodities began in Japan in the 18th century with the trading of rice and silk, and similarly in Holland with tulip bulbs. Trading in the US began in the mid 19th century when central grain markets were established and a marketplace was created for farmers to bring their commodities and ...

4. Cryptocurrency bubble - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency_bubble

   By 19 May, Bitcoin had dropped in value by 30% to $31,000, Ethereum by 40%, and Dogecoin by 45%. Nearly all cryptocurrencies were down by double-digit percentages. [40] Major cryptocurrency exchange Binance went down amid a market-wide price crash and traders are now seeking justice for their losses. [41]

5. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

   www.aol.com

   AOL latest headlines, entertainment, sports, articles for business, health and world news.

6. Perpetual futures - Wikipedia

   en.wikipedia.org/wiki/Perpetual_futures

   In finance, a perpetual futures contract, also known as a perpetual swap, is an agreement to non-optionally buy or sell an asset at an unspecified point in the future. . Perpetual futures are cash-settled, and differ from regular futures in that they lack a pre-specified delivery date, and can thus be held indefinitely without the need to roll over contracts as they approach expi

7. Insurer stocks fall after Trump says 'we're going to knock ...

   www.aol.com/news/insurer-stocks-fall-trump-says...

   CVS Health's Caremark, Cigna's Express Scripts and UnitedHealth Group's Optum control the majority of the U.S. pharmacy benefit market, with their parent companies also operating health insurance ...

8. 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. [251] By the end of 2021, bitcoin was estimated to produce 65.4 million tons of CO 2, as much as Greece, [252] and consume between 91 and 177 terawatt-hours annually ...

9. Commanders' Jeremy Reaves proposes to longtime girlfriend ...

   www.aol.com/commanders-jeremy-reaves-proposes...

   Washington Commanders safety and special teams star Jeremy Reaves proposed to his longtime girlfriend, Mikaela Worley, on Sunday night after the team clinched a playoff spot.