比特币是知名的公开区块链实例之一。主要运用区块链技术向用户提供数字货币,这种货币可以像传统货币一样用于购买商品和服务,或者作为一种价值储藏。众多企业的高层都认为,区块链技术对于改变我们的世界充满了潜力,因此对于开发这项技术的投资也在持续增加。那么区块链是什么意思?区块链的意义是什么?
Bitcoin is one of the well-known examples of open block chains. The main use of block chain technology is to provide users with digital money, which can be used to purchase goods and services as traditional money, or as a value deposit.
区块链是一种去中心化的安全数据账本,能够支持特定参与者之间的数据共享。通过区块链云服务,我们可以轻松收集、整合和分享来自多个来源的交易数据。这些数据被分解为多个共享的“区块”,并通过加密哈希形式的唯一标识符进行链接。
Block chains are a decentralised security data book that supports data-sharing among specific participants. Through block-link cloud services, we can easily collect, integrate and share transactional data from multiple sources. These data are broken down into multiple shared “blocks” and linked to unique identifiers in encrypted Hashi form.
简单来说,区块链就是一种分布式的数字分类账。它以数字形式记录价值在系统内用户之间的转移情况。区块链技术使用相互连接的“区块”来储存交易信息或数据。
In short, the block chain is a distributed digital ledger. It records the transfer of values between users in the system in digital form.
假设 Alice 和 Bob 在区块链网络上进行交易,Alice 想要向 Bob 发送10个加密货币。当 Alice 在她的端口上执行资金转移操作时,区块链会自动从她的余额中扣除10个加密货币,并将其添加到 Bob 的账户中。
Assuming Alice and Bob deal on a block chain network, Alice wants to send ten encrypted currencies to Bob. When Alice carries out a fund transfer operation on her port, the block chain automatically deducts 10 encrypted currencies from her balance and adds them to Bob’s account.
一般情况下,这个过程会由银行完成。但使用区块链,Alice 可以直接进行转账,无需通过任何金融机构。Alice 和 Bob 不需要共享他们的私人信息,可以确保转账的安全性。
Alice and Bob do not need to share their personal information to ensure the security of transfers.
如果区块链只是一个数据库,那么它有什么特别之处?我们有数百种不同的数据库技术。为了回答这个问题,让我们探讨一下区块链技术独有的一些特殊功能:
If the block chain is just a database, what's so special about it? We have hundreds of different database technologies. To answer that question, let's look at some of the special features that are unique to block chain technology:
区块链是一个加密安全的数据库。为了向数据库读取或写入信息,用户必须具有正确的加密密钥。密钥是成对的:标识数据库的公钥和确保只有适当的参与者才能更新数据库中的信息的私钥。这可确保有意阅读和/或更新信息的人可以获得信息。此外,还可以私下部署区块链以选择参与者,进一步限制访问谁可以查看和/或更新区块链上的信息。
Block chains are a secure and encrypted database. In order to read or write information into a database, the user must have the correct encryption key. The key is a pair: the public key to the identification database and the private key to ensure that only the right participants can update the information in the database. This ensures that those interested in reading and/or updating the information have access to it. In addition, the block chain can be deployed privately to select the participants and further limit access to the information that can be viewed and/or updated on the block chain.
区块链的另一个核心功能是它没有单点故障。如果在区块链网络上的一个或多个节点上发生故障,则其他节点仍保留数据并且网络继续运行。通过扩展,这意味着区块链是分散的;没有一个实体“拥有”网络。区块链通常被称为分布式分类账,因为信息驻留在对等网络上的多个设备上,其中每个设备复制并保存分类账的相同副本并独立更新。
Another core function of the block chain is that it does not have a single point failure. If there is a failure on one or more nodes of the block chain network, the other nodes remain data and the network continues to function. By extension, this means that the block chain is fragmented; no entity “owns” the network. The block chain is commonly referred to as a distributed ledger because the information is stored on multiple devices of the peer network, each of which copyes and saves the same copy of the ledger and updates it independently.
区块链的名称源于这样的事实:数据被存储为信息块,并且这些块以类似“链”的方式链接在一起。新信息基本上作为一个块一起更新并附加到以前的版本,创建一个不可变的防篡改记录。 区块链的这个属性使它在必须保留信息而不做任何改动的情况下非常有用。
The name of the block chain stems from the fact that the data is stored as information blocks and that they are linked in a way that is similar to the "chain". The new information is basically updated as a block and attached to the previous version, creating an immutable tampering record. This attribute of the block chain makes it very useful when it is necessary to keep the information without any change.
除非大多数参与者检查并验证使用的凭据,否则无法在区块链上更新信息。这种共识驱动的模型基本上确保没有一个实体可以控制数据并创建欺诈性交易。
This consensus-driven model essentially ensures that no entity can control data and create fraudulent transactions unless the evidence used is checked and validated by most participants.
区块链是一项创新技术,以去中心化的方式提供不可更改的数据记录,保证了交易的安全性和透明性。它能够处理去中心化的交易,利用加密算法保护交易安全,防止数据被篡改或删除,并具备执行智能合约的能力。这项技术已在多个领域得到广泛应用,推动创新并引领了新商业模式和服务的发展,进而改变许多行业的运作模式。
Block chains are an innovative technology that provides unaltered data records in a decentralised manner, guaranteeing the security and transparency of transactions. They can handle decentralized transactions, use encryption algorithms to protect transactions from manipulation or deletion, and have the ability to implement smart contracts. This technology has been widely applied in many areas, driving innovation and leading to the development of new business models and services, thereby changing the way many industries operate.
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