a distributed database spread across nodes of a peer-to-peer network to journal transactions, and uses digital signatures and proof-of-work to provide basic security functions, such as ensuring that bitcoins can be spent only once per owner and only by the person who owns. In afternoon trade, bitcoin, (btcusd) the worlds largest digital currency, was changing hands at 4,139. Benzinga 15 hours ago, bTC/USD Grinding Higher Above 4,100, a building bearish momentum is currently testing the lower trendline of the channel. It was designed to work as a decentralized digital currency without a central bank or single administrator, though in practice many aspects of it use are centralized. All transactions are public and stored in a distributed database which is used to confirm transactions and prevent double-spending.
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BTC/USD is currently extending gains above 4,100. Bitcoin is accepted here. Bitcoin is a peer-to-peer implementation of Wei Dai's b-money proposal and Nick Szabo's Bitgold proposal. Close adj Close volume, apr 01, 2019 4,112.79 4,147.40 4,082.20 4,144.88 4,144.88 39,941,404, mar 26, 2019 3,924.55 3,943.20 3,902.52 3,942.22 3,942.22 93,805,733, mar 25, 2019 3,994.11 4,005.29 3,887.68 3,924.55 3,924.55 136,398,998. Best Answer: Bitcoin is a digital currency created in 2009 by Satoshi Nakamoto. MarketWatch 11 hours ago, bitcoin prices climb above 4,100, nearing 2019 high. Bitcoin has been criticized for its use in illegal transactions, its high electricity consumption, price volatility, and thefts from exchanges.
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