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- 64,305.12+886.92 (+1.40%)截至 2024年4月19日, 週五 下午 4:02 EDT · (USD)。(報價延遲20分鐘)。市場開市中。
- 昨收63,509.77開盤63,509.77委買價不適用 x 不適用委賣價不適用 x 不適用
- 今日價格區間59,698.51 - 65,434.9452週價格區間24,797.17 - 73,750.07成交量48.95B平均成交量35.61B
- 市值1265.990 億本益比 (最近12個月)不適用營運報告/法說會日期不適用除權除息日-
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Bitcoin (abbreviation: BTC; sign: ) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight. Consensus between nodes is achieved using a computationally intensive process based on proof of work, called mining, that requires ...
- BTC, XBT
- 10−8
- Bitcoins
- ₿, (Unicode: .mw-parser-output .monospaced{font-family:monospace,monospace}U+20BF ₿ BITCOIN SIGN)
Number of bitcoin transactions per month (logarithmic scale) Bitcoin is a cryptocurrency, a digital asset that uses cryptography to control its creation and management rather than relying on central authorities.[1] Originally designed as a medium of exchange, Bitcoin is now primarily regarded as a store of value. The history of bitcoin started ...
- Transactions
- Security
- Payment Verification
- Data in The Blockchain
- Alleged Criminal Activity
- See Also
A bitcoin is defined by a sequence of digitally signed transactions that began with the bitcoin's creation, as a block reward. The owner of a bitcoin transfers it by digitally signing it over to the next owner using a bitcoin transaction, much like endorsing a traditional bank check. A payee can examine each previous transaction to verify the chain...
Various potential attacks on the bitcoin network and its use as a payment system, real or theoretical, have been considered. The bitcoin protocol includes several features that protect it against some of those attacks, such as unauthorized spending, double spending, forging bitcoins, and tampering with the blockchain. Other attacks, such as theft o...
Each miner can choose which transactions are included in or exempted from a block.A greater number of transactions in a block does not equate to greater computational power required to solve that block. Upon receiving a new transaction a node must validate it: in particular, verify that none of the transaction's inputs have been previously spent. T...
While it is possible to store any digital file in the blockchain, the larger the transaction size, the larger any associated fees become. Various items have been embedded, including URLs to websites, an ASCII art image of Ben Bernanke, material from the Wikileaks cables, prayers from bitcoin miners, and the original bitcoin whitepaper.
The use of bitcoin by criminals has attracted the attention of financial regulators, legislative bodies, law enforcement, and the media. The FBI prepared an intelligence assessment, the SEC has issued a pointed warning about investment schemes using virtual currencies,and the U.S. Senate held a hearing on virtual currencies in November 2013. Severa...
Cryptocurrency has undergone several periods of growth and retraction, including several bubbles and market crashes, such as in 2011, 2013–2014/15, 2017–2018 and 2021–2023. On 6 August 2014, the UK announced its Treasury had commissioned a study of cryptocurrencies, and what role, if any, they could play in the UK economy. . The study was also to report on whether regulation should be ...
The United States dollar ( symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.
Satoshi Nakamoto is the name used by the presumed pseudonymous[1][2][3][4] person or persons who developed Bitcoin, authored the Bitcoin white paper, and created and deployed Bitcoin's original reference implementation.[5] As part of the implementation, Nakamoto also devised the first blockchain database.[6] Nakamoto was active in the ...
The Indian rupee (symbol ₹; code: INR) is the official currency in India. The rupee is subdivided into 100 paise (Hindi plural; singular: paisa). The issuance of the currency is controlled by the Reserve Bank of India. The Reserve Bank manages currency in India and derives its role in currency management based on the Reserve Bank of India ...
