来自2018-6-20区块链商机汇
Merchant migration from 2018-6-20 blocks
什么是区块链
What's a block chain?
简单来说，区块链就是一种特殊的分布式数据库。
In simple terms, the block chain is a special distributed database.
一、区块链的主要作用是储存信息。任何需要保存的信息，都可以写入区块链，也可以从里面读取，所以它是数据库。
The primary function of the block chain is to store information. Any information that you want to save can be written into the block chain or read from it, so it is a database.
二、任何人都可以架设服务器，加入区块链网络，成为一个节点。在区块链，没有中心节点，没有管理员，每个节点都是平等的，每一个节点都同时保存着整个数据库。你可以在任何一个节点，写入或者读取数据，而所有节点最后都会同步，保证区块链一致。
Second, anyone can set up a server and join the block chain network as a node. In the block chain, there is no central node, there is no administrator, every node is equal, and every node keeps the entire database at the same time. You can write or read the data at any node, and all nodes are synchronized at the end, ensuring that the block chain is consistent.
区块链本质上是一个分布式的数据库，通俗的说，它是一个公共账本。
The block chain is essentially a distributed database, and it is commonly said to be a public account book.
——任何人都可以在这个账本上记账。
- Anyone can keep an account in this book.
——任何人也可以对这个公共账本进行核查。
- Anyone can also verify this public account book.
——任何人都可以单独保存一个账本。
- Anyone can save a single account book.
——所有人保存的账本都是一样的。
- Everyone keeps the same books.
——没有人能擅自对账本的内容或者数据进行改动。
— No one has been able to reconcile the contents or data of the books without authorization.
——如果确需更改，必须51%的人同意并且51%的人同时改动才能生效。
— If change is indeed required, 51 per cent of the people must agree and 51 per cent must agree to change at the same time in order to be effective.
区块链具有高度去中心化的特点，不存在一个单一的用户可以对它进行控制。在区块链系统中的参与者们，会共同维持账本的更新：它只能按照严格的规则和共识来进行修改，这背后有非常精妙的设计。
The block chain is highly decentralised, and there is no single user that can control it. Participants in the block chain system will jointly maintain the book update: it can only be modified according to strict rules and consensus, with very sophisticated design behind it.
举个通俗的例子来解释——
I'll give you a popular example of...
W先生全家，包括 W 先生，W 夫人，W 爷爷， W 奶奶，各自的账本上都记录了大家的开支。因为 W 先生全家互相不信任。W 先生自己勤勤恳恳每个月养老婆，可W 夫人可能会收到1000块钱却记收到100，那岂不冤枉了?
Mr. W's family, including Mr. W, Mrs. W, Mrs. W, Mrs. W, Mrs. W, and Mr. W.'s family, have recorded their expenses on their books, because Mr. W's family does not trust each other. Mr. W's family has worked so hard to raise his wife every month, but Mrs. W's probably got $100 for $1,000.
如何用区块链解决这个问题呢？
How can the block chain be used to solve this problem?
假如某天 W 先生给了1000块给 W 夫人，他只要在向全家人广播一声—— W 先生给了 W 夫人1000，W夫人回答说，是的，我收到了1000块。于是大家在各自的账本上记下“W 先生给了 W 夫人1000”，就OK了。
If one day Mr. W gave 1000 bucks to Mrs. W, he'd just broadcast it to the whole family -- Mr. W gave 1000 to Mrs. W, Mrs. W replied, "Yes, I received 1000 dollars. So you'll write down "Mr. W gave 1000 to Mrs. W."
这样，W 先生全家每个人都成了一个节点，每次 W 先生家的交易都会被每个人（每个节点）记录下来。
Thus, Mr. W's family became a node, and every time Mr. W's transactions were recorded by everyone (each node).
在这里，洗碗就是挖矿。而记账，就是工作量证明（POW共识机制）。
here, dishwashing is mining. And booking is proof of workload.
每次晚上谁洗了碗（挖矿）之后就可以在公共账本上结账（工作量证明），而且洗碗还有报酬，必须在前一天大家都公认的账本后面添加新的交易，而且其他人也会参与验证当天的交易。
Every night, whoever washes the dishes (mining) can close the books of public accounts (workload certificates) and the dishes must be paid for by adding new transactions after the books that were generally accepted the previous day, and others will be involved in verifying the transactions of the same day.
自然会有人问，能否进行恶意操作来破坏整个区块链系统？比如不承认别人的结果，或者伪造结果怎么办?
Naturally, people ask whether malicious operations can be carried out to disrupt the entire block chain system, for example, by denying the results of others, or by falsifying them.
比如 W 夫人某天忽然说 W 先生没给她1000，那么全家人都会站起来斥责她。如果 W 夫人某天洗完碗想在结账的时候动手脚，其他参与验证的人也会站起来斥责她（除非她能收买超过一半以上的人），被发现作假会导致她那天的碗就白洗了，报酬也会拿不到，很可能第二天还要继续洗碗。
For example, Mrs. W. said one day that Mr. W. didn't give her a thousand, so the whole family would stand up and blame her. If Mrs. W. was going to finish washing the dishes one day and tried to do it at the time of closing the bill, the rest of the people involved in the verification would rise up and blame her (unless she could buy more than half of the people) and find out that the fraud would result in her bowl being washed for nothing, and not paid for it, probably the next day.
最后那个公认的账本也只会增加，不会减少。后续加入的家庭成员都会从最长的那个账本那里继续结账。
The last accepted book will only increase and not decrease. The family members who joined will continue to close the account from the longest one.
区块链的最大特点——去中心化
The greatest feature of the block chain at
什么是去中心化呢？
What's going to be centralized?
就是在区块链中，每一个节点，每一个个体，都是相互独立的，都是平行的，没有上级和下级的关系，也没有总部和分支机构的结构，每一个节点都是平等的。
It is in the block chain that each node, each individual, is separate, parallel, has no relationship between superiors and subordinates, has no structure of headquarters and branches, and each node is equal.
区块链也是一种数据库式的网络，不同于互联网，区块链是没有管理员的。
Block chains are also a database-type network, unlike the Internet, where there is no administrator.
区块链没有管理员，它是彻底无中心的。其他的数据库都有管理员，但是区块链没有。如果有人想对区块链添加审核，也实现不了，因为它的设计目标就是防止出现居于中心地位的管理当局。
The block chain has no administrator, it's completely uncentreded. Other databases have managers, but the block chain does not. If someone wants to add an audit of the block chain, it cannot be achieved because it is designed to prevent a central authority.
正是因为无法管理，区块链才能做到无法被控制。否则一旦大公司大集团控制了管理权，他们就会控制整个平台，其他使用者就都必须听命于他们了。
It is because it is unmanageable that the block chain can be uncontrollable. Otherwise, once large corporate groups take control of governance, they will take control of the platform and other users will have to follow their orders.
这就是区块链奇妙的地方。
This is the amazing part of the block chain.
注册有任何问题请添加 微信：MVIP619 拉你进入群
打开微信扫一扫
添加客服
进入交流群
发表评论