比特币是一种基于去中心化、分布式账本技术的数字货币，是由一些控制权分散、基于密码学技术的算法而达到的数字货币。比特币彻底不依赖于任何央行或其他组织，而是用点对点网络，由网络参加者自主验证交易并进行交易步骤，达到节省传统银行或其他机构中间花费、提升交易效率及其提升交易安全性的目的。那么，比特币用的是什么技术呢?比特币到底有何用?下面，我们一起来看看。
Bitcoin is a digital currency based on decentralised, distributed bookkeeping technology, a digital currency achieved by a number of decentralized, cryptographic-based algorithms. Bitcoin is completely independent of any central bank or other organization. Instead, it uses a point-to-point network where network participants independently verify transactions and conduct transaction steps for the purpose of saving costs among traditional banks or other institutions, improving their efficiency, and enhancing their security.
1、区块链技术
比特币的关键技术是区块链技术，它是一种分布式账本技术，数据存储在多个节点上，而且每个节点都能够对帐簿开展读取和写入操作，这便可以确保帐簿的完整性和安全性。
The key technology for Bitcoin is block chain technology, which is a distributed book technology, where data are stored on multiple nodes and each node is able to read and write to the books, which ensures the integrity and security of the books.
比特币的区块链能理解成一个去中心化、安全性极高的数据库，所有的交易纪录都被保存在区块链上，每次交易都会生成一个新的区块，每个区块都包含前一个区块的哈希值，这便形成了一个历史数据的链条。
Bitcoin's block chain can be understood as a decentralized and highly secure database, where all transaction records are kept on the block chain and each transaction creates a new block, each containing the Hashi value of the previous block, forming a chain of historical data.
每个区块都有一个固定尺寸，在BTC网络中为1MB，假如每个交易都是0.5KB，则一个区块最多就可以包括2000个交易，假如交易量超过这个量，就需要等待下一个区块生成。
Each block has a fixed size, one MB in the BTC network, and if each transaction is 0.5 KB, a block can include up to 2,000 transactions, and if the volume exceeds this amount, it will have to wait for the next block to be generated.
2、共识机制
比特币网络使用的是一种去中心化的共识机制，也就是所谓的“工作量证明”体制(PoW)，通过这种体制来确保交易的安全性和准确性。
The Bitcoin network uses a decentralised consensus mechanism known as “ workload proof & & rdquao; and the System (PoW) through which the security and accuracy of transactions are ensured.
比特币矿工根据使用算率来算出区块的哈希值，而且把它们参与到现有的区块链上，那样就能获得一定数量的比特币作为奖励。因为每个区块都包括了前一个区块的哈希值，所以一个区块被篡改的话，就会造成以后所有的区块都变得不可信。
Bitcoin miners calculate the Hashi value of blocks on the basis of their usage rates, and by involving them in the existing chain of blocks, they get a certain amount of bitcoins as an incentive. Because each block includes the Hashi value of the previous block, the tampering of a block will render all blocks untrustworthy in the future.
因此，比特币网络必须矿工们根据强悍的算率来计算哈希值，只有算出正确哈希值，才能领取奖励。这一过程不但可以确保比特币交易的安全性和准确性，还能够确保网络的稳定。
As a result, the Bitcoin network has to be measured by miners on the basis of robust calculations, and is rewarded only if the right ones are calculated. This process will ensure not only the safety and accuracy of the Bitcoin transaction, but also the stability of the network.
3、密码学技术
3, cryptography
比特币网络还广泛运用了密码学技术，包含公钥密码学、哈希函数、电子签名等，这些技术能够帮助确保比特币交易的安全性和隐私性。
The Bitcoin network also makes extensive use of cryptography techniques, including public key cryptography, the Hashi function, electronic signatures, etc., that help to ensure the security and privacy of Bitcoin transactions.
比特币用户使用应用一对公钥和私钥来管理比特币，公钥如同一把钥匙，能够转发给其它人，私钥就像是锁匙的密码，只有拥有私钥的人才能够使用及管理比特币。
Bitcoin users use a pair of public and private keys to manage bitcoins, public keys are like a key that can be forwarded to others, private keys are like a key code, and only those with private keys can use and manage bitcoins.
电子签名能够帮助用户证明自己的身份，并且保证交易安全性。哈希函数则可以将交易信息转换成一个固定长度的字符串，这个字符串对于任何输入都是唯一的，只需输入略有转变，导出就会发生较大的转变，这能够防止交易被篡改。
Electronic signatures help users to identify themselves and ensure the security of the transaction. The Hashi function converts the transaction information into a fixed-length string, which is the only string for any input, with only a slight change in the input and a larger shift in the export, which prevents the transaction from being tampered with.
1、交易媒介
比特币最基本一项用途是作为一种交易媒介。比特币能够在任何地方，任何时间，通过互联网开展转账，并且转账速度特别快，可以在几秒之内完成。因为比特币是去中心化的数字货币，因此转账的过程不需要传统金融机构的参与。这意味着，所有的交易都是公开透明的，没有中介人收取的费用。这使得比特币成为了一种迅速、安全与低成本付款方式。
Bitcoin can transfer money anywhere, at any time, via the Internet, and at a particularly fast pace, and can be done in a few seconds. Because Bitcoin is a decentralised digital currency, the process of transferring money does not require the involvement of traditional financial institutions.
2、投资资产
2, investment assets
比特币也可作为一种投资资产。自2009年迄今，比特币的价格早已经历过数次起起落落，可是总体上，比特币的价值一直在增长。比特币的总市值已经超过1亿美元，这就导致比特币成为了一种备受瞩目的投资资产。很多人认为，比特币的价格会继续上涨，由于全球央行正在大量印钞，这会导致通胀，大家必须一种可以抵挡通胀的财产，比特币就成为了这样的财产之一。
Bitcoin is also an investment asset. Bitcoin prices have been rising and falling several times since 2009, but the value of bitcoins has generally been increasing. The total market value of bitcoins has exceeded $100 million, making bitcoins a high-profile investment asset.
3、跨境汇款
比特币还可以作为一种跨境汇款工具。传统的跨境汇款，需经过银行或其他中介服务的转账过程，费用及时间都非常昂贵。而比特币的跨境汇款，则可以在几秒之内完成，花费也非常低。比特币的跨境汇款，特别适合这些必须频繁跨境汇款的人群，例如全球旅者、国际贸易公司等等。
Bitcoin can also be used as a cross-border remittance tool. Traditional cross-border remittances, which require bank or other intermediary services, are costly and time-consuming.
4、价值存储
最终，比特币也可作为一种价值存储的工具。在一些我国，贷币的稳定受到威胁，通胀率极高，这意味着大众的储蓄几乎没有任何确保。而比特币则不会受到政治和经济因素的影响，其价值只取决于市场供求关系。因为比特币的总量是不变的，所以可以作为一种避免通货膨胀的储蓄工具。
In some countries, the stability of the lending currency is threatened and the inflation rate is extremely high, which means that there is little guarantee of public savings. Bitcoin is not influenced by political and economic factors, and its value depends only on market supply and demand.
总的来说，比特币的关键技术是区块链技术，通过共识机制和密码学技术来确保交易的安全性和准确性。而虽然比特币在实际生活中的应用依然十分有限，但它具有一定的潜力。比特币可作为一种迅速、安全与低成本付款方式、投资资产、跨境汇款工具价值存储的工具。在未来，随着比特币技术的不断进步和优化，它的使用行业还会不断创新。
In general, the key technology for Bitcoin is block-chain technology, which ensures the security and accuracy of transactions through consensus mechanisms and cryptography. And while Bitcoin’s application in practice remains limited, it has some potential.
以上就是比特币用的是什么技术呢?比特币到底有何用?的详细内容，更多关于比特币采用技术介绍的资料请关注脚本之家其它相关文章！
This is what bitcoin uses. What's the use of bitcoin? Details, more information about bitcoin's use of technology.
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