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From Wikipedia:

Bitcoin (sign: BTC) is a decentralized [6] digital currency [7] [8] based on an open-source, [9] peer-to-peer Internet protocol. It was introduced in 2009 by a pseudonymous developer (or developers) Satoshi Nakamoto. [10] Since 2011 Bitcoin has been criticized as not being a functional currencydue to its experimental nature, volatile markets, [11] and allegedly limited use in trade. [12] [13]

Bitcoins can be transferred through a computer or smartphone locally or internationally without an intermediate financial institution. [14] Each bitcoin is subdivided into 100 million smaller units called satoshis, defined by eight decimal places. [4]

Bitcoin has no central organization and is not managed by any government or central authority. Instead, it relies on an Internet-based peer-to-peernetwork. The creation of new bitcoins is automated and given to servers or "bitcoin miners" that confirm bitcoin transactions as they add them to a decentralized and archived transaction log approximately every 10 minutes.

The transaction log is authenticated by end-users through hashed ECDSA digital signatures (similar to a username and password) and added to through calculations of varying difficulty, performed by dedicated servers called bitcoin miners. Each 10-minute portion or "block" of the transaction log has an assigned amount of bitcoins that is awarded to miners (who can then sell them at their discretion) once it is added to the log and confirmed by other miners. The amount of bitcoins per addition depends on how long the network has been running and how much in transaction fees has been paid. Currently, 25 new bitcoins are generated with every 10-minute block. This will be halved to 12.5 BTC during the year 2017 and halved continuously every 4 years after until a hard limit of 21 million bitcoins is reached during the year 2140. [1] [10]

Bitcoin is the most widely used alternative currency [3] [15] and accepted by various merchants and services internationally.
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745BITCOIN OPINION AUGUST 13, 2018 01:23 ‘Rich Dad, Poor Dad’ Author Is Bullish on roguedolphin-Sunday
744 Bitcoin and Ethereum Fall Substantially in $18 Billion Crypto Market Wipeout fzax-last Saturday
743 BITCOIN ANALYSIS AUGUST 10, 2018 22:15 ‘Game Over’ for Bitcoin, Claims Bearishroguedolphin-last Saturday
742 How to Lose $3 Billion of Bitcoin in India bloombergquint.comnicewatch-last Friday
741Canadian Mining Venture DMG Blockchain To Start Producing Its Own Electricity SuStokkerPro-August 6
740The WSJ has an article today. NYSE Owner Putting Muscle Behind Bitcoin -- WSJSr K1August 4
739Buying Your Starbucks Fix With Bitcoin Is Now Closer to Reality By Nick Baker Glenn Petersen1August 3
738"Bitcoin: we don’t expect new highs in 2018" [youtube video]roguedolphin-August 3
737Sarah Friar (CFO) was on Bloomberg after Q2 earnings, and she also discussed theSr K-August 2
736 SEC rejects proposed Winklevoss Bitcoin ETF marketwatch.comRon-July 27
735 Plans to compete, and beat RobinHoodSavant-July 25
734China’s Small-Time Bitcoin Miners Exposed by Flooding In Sichuan Province – The StokkerPro-July 20
733nulltx.comSavant-July 18 Will Now Process Bitcoin Payments Through BTCPayServer – Cheapair.cStokkerPro-July 16
731How Russian Spies Hid Behind Bitcoin in Hacking Campaign By Nathaniel Popper Glenn Petersen1July 14
730[graphic]Sultan-July 11
729Violent robberies of digital currency executives and traders up over 100% in 201Sultan1July 10
728Bitcoin Creator, Whoever It Is, Hints at Telling All in Book By Matthew LeisiGlenn Petersen1July 2
727Bitcoin Is 'Remarkable Social Phenomenon,' Says Yale's Shiller blookidl1June 29
726medium.comSavant1June 26
725 More Tether printed omniexplorer.infoSavant-June 25
724Bitcoin’s Price Was Artificially Inflated Last Year, Researchers Say By NathGlenn Petersen4June 13
723One Firm Is Way Ahead of Wall Street on BitcoinOne Firm Is Way Ahead of Wall StrGlenn Petersen1June 11
722SEC appoints a crypto quarterback in a key time for regulation The U.S. Securitkidl-June 5
721 The Eureka Moment That Made Bitcoin Possible A key insight for the technology Glenn Petersen3May 30
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