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boss直聘 区块链,bcos区块链

发布时间:2023-12-18-14:57:00 来源:网络 比特币基础 区块   系统   boss

boss直聘 区块链,bcos区块链

随着区块链技术的发展,Boss直聘也开始涉足区块链领域,为企业和求职者提供更加便捷的招聘服务。其中,BCOS区块链是Boss直聘推出的一款基于区块链技术的招聘服务,能够为企业提供更加安全、高效、可靠的招聘服务。

首先,BCOS区块链的安全性是它的一大优势,它采用了区块链技术,拥有良好的安全防护能力,能够有效防止攻击者篡改和窃取用户信息,保证用户信息的安全性。此外,BCOS区块链还拥有更高的可靠性,它采用了分布式账本技术,将用户信息存储在多个节点上,从而大大提高了数据的可靠性,保证数据不会因为单点故障而丢失。

此外,BCOS区块链还拥有高效的招聘服务,它采用了智能合约技术,能够智能匹配企业和求职者,从而大大缩短招聘的时间,提高招聘的效率。此外,它还可以支持企业和求职者之间的沟通,从而更好地满足企业的需求,更好地帮助求职者找到合适的工作。

总之,Boss直聘推出的BCOS区块链是一款基于区块链技术的招聘服务,它拥有良好的安全性、可靠性和高效性,能够为企业和求职者提供更加安全、高效、可靠的招聘服务。


请查看相关英文文档

『一』How are the blocks in the blockchain connected?

Experts said that the blockchain can be understood in layman’s terms as a distributed public ledger. This ledger consists of blocks connected into a chain. In traditional accounting systems, accounting rights are in the hands of the central server.

On the "ledger" of the blockchain, every point in the chain can record information on it, forming a point-to-point accounting system. Therefore, blockchain technology is considered a decentralized technology.

For example, in a village of 100 people, Zhang San bought a cow from Li Si and paid him 10,000 yuan. In the past, he had to rely on the middleman Zhao Liu to transfer his 10,000 yuan to Li Si.

With the blockchain system, Zhang San can directly record his 10,000 yuan into Li Si’s account book, and at the same time, the transaction information will be transmitted to the whole village, that is, the entire blockchain system. Make the information visible to 98 other people. The system records the entire transaction process, which has the advantage of traceability and prevents problems such as the loss of Zhao Liu's account book or Li Si's refusal to acknowledge the account.

(1)Extended reading on boss blockchain accounting system

In 2008, Satoshi Nakamoto first proposed the concept of blockchain. In the years that followed, blockchain became a core component of the electronic currency Bitcoin: serving as the public ledger of all transactions. By leveraging peer-to-peer networks and distributed timestamp servers, blockchain databases can be managed autonomously.

The blockchain invented for Bitcoin made it the first digital currency to solve the problem of repeated consumption. Bitcoin's design has become a source of inspiration for other applications.

『二』What does Jin Wowo mean by blockchain distributed accounting

What does Jin Wowo mean by blockchain distributed accounting? , how to understand the distributed accounting of Jinwowo blockchain technology?

Blockchain technology is also called distributed ledger. Generally speaking, if we assume that the database is a ledger, reading and writing the database can be regarded as an accounting behavior. The principle of blockchain technology is Find the person with the fastest and best accounting within a period of time, let this person do the accounting, and then send this page of information in the ledger to everyone else in the entire system. This is equivalent to changing all the records in the database and sending them to every other node in the entire network, which not only ensures data security, but also ensures the authenticity of the data, thus improving social credibility.

What are the characteristics of distributed accounting mentioned by Jinwowo’s blockchain technology? , how to simply understand the distributed accounting function of Jinwowo Network Technology’s blockchain technology?

Blockchain technology adopts a distributed accounting model. Whether it is real-time reconciliation capabilities in registration and settlement scenarios or non-tampering capabilities in data storage scenarios, it can provide traceability, anti-counterfeiting, and supply chain scenarios. Provide strong protection. Jinwowo uses blockchain technology to ensure product data security.

How should we understand the distributed accounting of Jinwowo blockchain technology?

Distributed storage is a data storage technology that uses the disk space on each machine through the network and constructs these dispersed storage resources into a virtual storage device, and the data is dispersedly stored in various corners of the network.

What is distributed storage in Jinwowo blockchain technology?

Chongqing Jinwowo analyzes and studies the distributed storage in blockchain technology as follows:
First, each node of the blockchain stores complete data according to the block chain structure. Traditional distributed storage generally uses The data is divided into multiple parts for storage according to certain rules.
Secondly, each node in the blockchain stores independently and has equal status, relying on a consensus mechanism to ensure storage consistency, while traditional distributed storage generally synchronizes data to other backup nodes through a central node.

How does Jin Wowo explain the blockchain, the distributed ledger model?

Blockchain technology is also called distributed ledger. Generally speaking, if we assume that the database is a ledger, reading and writing the database can be regarded as an accounting behavior. The principle of blockchain technology is Find the person with the fastest and best accounting within a period of time, let this person do the accounting, and then send this page of information in the ledger to everyone else in the entire system. This is equivalent to changing all the records in the database and sending them to every other node in the entire network, which not only ensures data security, but also ensures the authenticity of the data, thus improving social credibility.
The trust of blockchain comes from the underlying technology, which is to exchange historical information for current trust. This is a low-cost credit mechanism that has slowly grown from birth to blockchain, which is bound to receive attention and promotion.

What does distributed accounting of blockchain mean?

This is a good question. Let me give you an example. For example, I deposited 100 yuan in the bank. The deposit data is only recorded in the bank's database and cannot be obtained by others. This is "centralized accounting". The blockchain is a distributed accounting, a new information recording technology, and it is "encrypted" and "distributed". The data no longer exists in a center, but is stored once on all computers in the network. . For example, if I transfer 100 yuan to you, I will shout to all the computers in the entire network, and everyone will keep an account together, which is "distributed accounting".

What is the distributed storage in Jinwowo blockchain technology?

Chongqing Jinwowo Analysis: Big data refers to a collection of data that cannot be captured, managed and processed with conventional software tools within a certain time range. It requires new processing models to have stronger decision-making power, insight and discovery. Massive, high-growth, and diverse information assets for process optimization capabilities.
Big data needs to cope with massive and rapidly growing storage, which requires the underlying hardware architecture and file system to be much more cost-effective than traditional technologies and to be able to flexibly expand storage capacity.

Jinwowo Network: What is distributed storage in the blockchain?

Jinwowo network analysis: in the blockchain, the data is stored on different computers, which not only achieves decentralization, but also has a high degree of encryption and security, while also reducing costs.
And if your computer has extra storage space, you can even rent out the extra storage capacity, killing multiple birds with one stone.

『三』Want to know what functions the blockchain system has

There are many blockchain development companies now, such as Shengshi Huacai, which provides underlying technical services and micro-integrated business systems Provides investment, mining, information, and customization functions. You should choose according to your actual situation

『四』What kind of accounting system is the blockchain?

Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. Blockchain is essentially a decentralized database.
For example, if you are a woman, every time your boyfriend says something disgusting to you or promises to buy you something, you immediately record it and send it to all your best friends, classmates, Colleagues, as well as various groups and circles of friends, make it impossible for him to deny it anymore. This is called blockchain.
The core advantage of blockchain technology is decentralization. It can achieve decentralized credit in a distributed system where nodes do not need to trust each other by using data encryption, timestamps, distributed consensus and economic incentives. Point-to-point transactions, coordination and collaboration, thus providing solutions to the problems of high cost, low efficiency and insecure data storage common in centralized institutions.
The application fields of blockchain include digital currency, certificates, finance, anti-counterfeiting and traceability, privacy protection, supply chain, entertainment, etc. With the popularity of blockchain and Bitcoin, many related top domain names have been registered. , which has had a relatively large impact on the domain name industry.

『五』 Summary of general concepts of blockchain

Although I am a front-end developer, it cannot stop me from gossiping about various hot topics. Below is a brief summary of some of the conceptual things learned.

1. Blockchain technology was born with Bitcoin, so first understand the concept of Bitcoin

2. What is Bitcoin

(1) , Digital currency based on distributed network

3. Operating principle of bit system

(1) All nodes will save complete ledgers

(2 ), the ledger maintains consistency

4. Blockchain accounting principles

Hash functions are widely used in blockchain technology

(1), Hash function hash: any information will be hashed to get a short summary information

(2), hash characteristics: simplified information, identification information, hidden information, verification informationInformation

(3). Blockchain accounting will hash the bill information of the time node to form a block

(4). The Bitcoin system takes about 10 minutes to record The account is billed once, that is, the time interval between each block is about 10 minutes

(5) When recording the next bill, the hash value of the previous block and the information of the current bill will be used as the original The information is hashed

(6). Each block contains the information of the previous block, and these blocks are combined to form a blockchain

5. Bitcoin Ownership - Asymmetric Encryption Application

The Bitcoin system uses the elliptic curve signature algorithm. The private key of the algorithm consists of 32 bytes of random numbers. The public key can be calculated through the private key. The public key is passed through a The sequence hash algorithm and encoding algorithm obtain the Bitcoin address, and the address can also be understood as the digest of the public key.

(1). Transfer is to transfer Bitcoin from one address to another

(2). The address private key is an asymmetric relationship. The private key passes through a series of (including two hashes), you can get the address, but the private key cannot be obtained from the address

(3) After the transfer is successful, it is broadcast to other nodes, and other nodes forward it to the relevant node after successful verification. Neighboring nodes, the broadcast information contains the original information and signature information

(4) Verification, other nodes verify whether the signature information is generated by the payer using the private key to sign the original transaction information. If It is recorded (then verify that there is sufficient balance)

6. How to mine Bitcoin

(1) Nodes that complete accounting can obtain a certain number of bits given by the system Coin rewards (this reward process is also the issuance process of Bitcoin, so everyone calls bookkeeping mining)

(2) Only one person can successfully bookkeeping within a period of time, so it is necessary to collect Collect the original transaction information, check whether there is a balance and correct signature

(3) In order to improve the difficulty of accounting, only one person can do accounting in about ten minutes. The hash result needs to start with several 0s, and Introduce random number variables when hashing

(4) As more miners join, the game becomes more and more difficult, the calculation difficulty increases, and the power loss increases. Domestic electricity costs are low, and China The computing power accounts for more than half of the entire network

(5). Only the fastest decrypted block in the network will be added to the ledger, and other nodes will copy it to ensure the uniqueness of the ledger. If a node cheats and causes the entire network to fail, it will be discarded and never recorded in the general ledger. Therefore all nodesAll will abide by the common agreement of the Bitcoin system.

[Thinking about which fields blockchain will extend to]:

From the above concepts, it can be concluded that blockchain technology has such security, uniqueness, Decentralization.

In principle, some information leakage can be avoided, allowing the confirming party to confirm your identity without exposing your real user information.

At present, blockchain technology is mainly used in Bitcoin. I think the greater significance in the future should be in areas that require data privacy and security.

[Thinking about the bottlenecks and limitations of the current development of blockchain]:

Since each node participates in the entire ledger recording activity, it will inevitably cause waste and loss of resources. . As well as increasing the computational difficulty of each node, subsequent development and popularization require hardware improvements for each node.

『Lu』 What is blockchain

[Definition]

Blockchain refers to the method of decentralization and trustlessness A technical solution for collectively maintaining a reliable database. This technical solution allows any number of nodes participating in the system to calculate and record all information exchange data in the system over a period of time into a data block (block) through cryptographic algorithms, and generate the fingerprint of the data block for linking ( chain) and check the next data block, all participating nodes in the system jointly determine whether the record is true.

Blockchain is a general term for technical solutions similar to NoSQL (non-relational database). It is not a specific technology. Blockchain technology can be implemented through many programming languages ​​and architectures. . There are also many ways to implement blockchain. Common ones currently include POW (Proof of Work), POS (Proof of Stake), DPOS (Delegate Proof of Stake), etc.

The concept of blockchain was first proposed in the paper "Bitcoin: A Peer-to-Peer Electronic Cash System" by the author who calls himself Satoshi Nakamoto (Satoshi Nakamoto) individual (or group). Therefore, Bitcoin can be regarded as the first application of blockchain in the field of financial payments.

[Popular explanation]

No matter how big the system or how small the website, there is usually a database behind it. So who will maintain this database? In general, who is responsible for running the network?Or the system, then who will maintain it. If it is a WeChat database, it must be maintained by Tencent's team, and Taobao's database must be maintained by Alibaba's team. Everyone must think that this approach is natural, but this is not the case with blockchain technology.

If we imagine the database as a ledger: Alipay, for example, is a typical ledger, and any change in data is an accounting type. We can think of database maintenance as a very simple accounting method. The same is true in the world of blockchain. Everyone in the blockchain system has the opportunity to participate in accounting. The system will select within a period of time, maybe within ten seconds, or maybe ten minutes, to select the person with the fastest and best accounting during this period. This person will do the accounting, and he will combine the changes in the database during this period with Changes in the ledger are recorded in a block. We can imagine this block as a page of paper. After confirming that the record is correct, the system will link (chain) the data fingerprint of the past ledger to this paper, and then This piece of paper is sent to everyone else in the entire system. Then the cycle starts over and the system looks for the next person who can do the accounting quickly and well, and everyone else in the system gets a copy of the entire ledger. This also means that everyone in this system has exactly the same ledger. This technology is called blockchain technology, also known as distributed ledger technology.

Since everyone (computer) has exactly the same ledger, and everyone (computer) has exactly the same rights, there will be no problem due to a single person (computer) losing contact or going down. The entire system collapses. Since there are exactly the same ledgers, it means that all data is open and transparent, and everyone can see the digital changes in each account. Its very interesting feature is that the data in it cannot be tampered with. Because the system will automatically compare, it will consider the account books with the largest number of the same number as the real account books, and the small number of account books with different numbers as others are false account books. In this case, it makes no sense for anyone to tamper with their own ledger, because unless you can tamper with most of the nodes in the entire system. If the entire system has only five or ten nodes, it may be easy to do, but if there are tens of thousands or even hundreds of thousands, and they are distributed in any corner of the Internet, unless someone can control most of the computers in the world , otherwise it would be unlikely to tamper with such a large blockchain.

[Elements]

Combined with the definition of blockchain, we believe that it must have the following four elements to be called a public blockchain technology. If it only has the first three points elements, which we will consider as private blockchain technology (private chain).

1. Point-to-point peer-to-peer network (peer-to-peer power, physical point-to-point connection)

2. Verifiable data structure (Verifiable PKC system, non-tamperable database)

3. Distributed consensus mechanism (solve the Byzantine generals problem, solve double payment)

4. Nash equilibrium game design (Cooperation is an evolutionarily stable strategy)

[Characteristics]

Combined with the definition of blockchain, blockchain will realize four main characteristics: decentralization (Decentralized), Trustless, Collectively maintained, Reliable Database. And the four characteristics will lead to two other characteristics: open source (Open Source) and privacy protection (Anonymity). If a system does not possess these characteristics, it will not be considered an application based on blockchain technology.

Decentralized: The entire network has no centralized hardware or management organization. The rights and obligations between any nodes are equal, and the damage or loss of any node will not affect it. operation of the entire system. Therefore, the blockchain system can also be considered to have excellent robustness.

Trustless: Each node participating in the entire system does not need to trust each other for data exchange. The operating rules of the entire system are open and transparent, and all data contents are also public. , therefore within the rule range and time range specified by the system, nodes cannot and cannot deceive other nodes.

Collectively maintain: The data blocks in the system are jointly maintained by all nodes with maintenance functions in the entire system, and these nodes with maintenance functions can be participated by anyone.

Reliable Database: The entire system will be divided into databases so that each participating node can obtain a copy of the complete database. Unless more than 51% of the nodes in the entire system can be controlled at the same time, modifications to the database on a single node are invalid and cannot affect the data content on other nodes. Therefore, the more nodes and stronger computing power participating in the system, the higher the data security in the system.

Open Source: Since the operating rules of the entire system must be open and transparent, for the program, the entire system must be open source.

Privacy protection (Anonymity): Since nodes do not need to trust each other, there is no need for nodes to trust each other.The identity needs to be disclosed, and the privacy of each participating node in the system is protected.

『撒』Using a laptop to mine at home, you can mine several Bitcoins a day

Nowadays, if you still try to "mine" at home with a laptop or home computer, you will definitely be in trouble. In addition to wasting electricity, it is impossible to obtain even the smallest unit of Bitcoin, 1 Satoshi (1 Bitcoin is 100 million Satoshi).

If mining was really that simple, so many mines would not be set up in deep mountains and forests very close to power plants. Each computing power in the mines would be incredibly valuable. Philippine mining machines are extremely power-hungry and can be described as power-hungry tigers.

Today, the computing power of a professional mining machine has reached an astonishing 110TH/s, and the power is 3250w, which means it consumes 3.25 degrees of power per hour.

Such a mining machine with a computing power of 110TH/s can produce 0.2158 Bitcoins per year, and the annual power consumption is 284,700 kWh. If the electricity bill is calculated as 3 cents, 85,410 yuan/year. If you mine at the normal electricity price, you may not even be able to get your money back after one year.

What is the concept of 110TH/s computing power?

1H/s is one hash collision per second, and 1TH/s is 1000G hash collisions per second (1 trillion times), then the computing power of 110TH/s is 110 trillion times. Hope collision.

Take a colorful GTX 1080Ti Neptune water-cooled graphics card. This graphics card is already very powerful for an ordinary computer. The measured computing power after overclocking is about 1.8GH/s, which is 0.0018TH/s. It would take years and months to mine a Bitcoin at this rate. You might as well just go to bed, let alone use an ordinary home computer to mine Bitcoin.

It was still possible to mine with a home computer before 2010.

In 2010, mining one Bitcoin required 7.3M hash collisions, which is 7.3 million hash collisions. At that time, if you knew how to mine, it was still possible to mine Bitcoin with an ordinary computer. However, the price of Bitcoin at that time was not attractive enough to ordinary people, just like everyone regretted not buying a house earlier.

Since 2016, the price of Bitcoin has been rising along with the difficulty of mining, giving people the illusion that the price of Bitcoin is increasing with the increase in computing power. In fact, if we carefully observe the computing power curve and the price curve, we will find that price and computing power are not directly proportional. Both price and computing power rise and fall over time. At this time, we will find that it has market attributes such as stocks, bonds, and futures, and can be speculated. It will also be affected by factors such as market and policy.

According to Satoshi Nakamoto’s algorithm, Bitcoin’s totalThe amount is approximately 21 million. At the beginning, 50 Bitcoins will be awarded for each accounting completed, but the rewards will be halved every 4 years. It is expected that the rewards will become 0 by 2140, so the more In the future, it will be more difficult to mine Bitcoin.

It seems that Bitcoin is a scarce resource, but it does not have the properties of currency, it is just a useless string. It’s just that these people in the currency circle are driving it up, and the tide will rise. If one day this huge bubble bursts, Bitcoin will be just a string of strings, and the people who will take over are those who hold Bitcoin but cannot sell it.

What exactly is Bitcoin?

Bitcoin is a reward mechanism that maintains the blockchain accounting system. For the entire blockchain accounting system, the more people participate in mining, the more people participate in the confirmation of ledger data. Block data is also more secure. Without this reward mechanism, the blockchain accounting system would not be able to survive.

Every node in the blockchain has the right to keep accounts, but the right to keep each bill is obtained by answering a mathematical problem. However, this mathematical problem is difficult to solve and is more complex. It's getting more and more difficult to understand. Whoever calculates the value within the difficulty coefficient first will have priority in accounting. After the calculated value is verified, it is packaged with the ledger and broadcast to the blockchain. This completes the accounting process, and then you will receive the corresponding Bitcoin reward.

If you think about it carefully, mining Bitcoin is really lonely

The mining machines in so many mines consume so much electricity every year just to understand one mathematical problem after another and obtain the records of Bitcoin transactions. Account rights. Wouldn’t it be nice to use this electricity for factory production? Even if it is used to blow the air conditioner, it is still worthwhile.

After Bitcoin was swayed by capital, and then capital withdrew when it was at a high level and was about to collapse, would there be another place full of chicken feathers and wailing? So ordinary people should not even think about using their laptops to mine Bitcoin.

How many digs can you dig out of your notebook in a day? Are you here to be funny? Bitcoin mining machines are also called high-frequency computers. Why are they called high-frequency computers? Because their computing speed is measured in T units. Three years ago, an 11.5T mining machine took a year to mine one Bitcoin. 1T = 1024G. , and the Bitcoin mining frenzy cycle is constantly attenuating, that is, the longer you use the same computing power, the longer it takes to mine. Your work laptop is estimated to be only 8G. How many do you think you can mine in a day?

How many Bitcoins do you want to mine in a day? You can probably imagine whether 0.1 Bitcoin can be mined in a year.

According to current popular sayings, ordinary computer mining will generally not recoup the cost of electricity bills. Although the laptop belongs to the company, you have to pay the electricity bill at home. Therefore, if you use a laptop with reduced performance to mine, you will definitely be happy with the electricity bill.

Pie will not suddenly fall from the sky.

Bitcoin on February 20It exceeded US$56,000 in the morning. As of 13:30, the price of Bitcoin was around US$55,624, up 8.29% in 24 hours. The trading volume in 24 hours was US$753.9, and the market value reached 1.04 trillion, entering the "trillion club".

The above data certainly looks tempting. One Bitcoin is worth nearly 400,000 yuan, which is the salary of many ordinary office workers who work for six or seven years without food or water. They want to use their laptops to mine at home. , I guess I can’t even make back the electricity bill.

Just think about getting rich overnight, but it is better to be more down-to-earth.

Keeping the current Bitcoin network computing power difficulty unchanged, even if you use the current 3060 graphics card to mine Bitcoin, it will take 1,400 years to mine one. Bitcoin. So don’t have any substantive illusions. The time when you come into contact with Bitcoin is now 2021, not the time point in 2009.

Bitcoin has risen from a few cents to its current high of $58,000. In other words, the price of Bitcoin around 2009 was only a few yuan, but so far it has risen to 300,000. The price of one RMB. Coupled with the borderless and decentralized attributes of Bitcoin, in the past 11 years, the computing power of Bitcoin's entire network has shown exponential explosive growth. Bitcoin's computing power has been found in areas with abundant and stable electricity around the world. Professional mines exist.

Therefore, any of our more advanced home computers currently cannot mine Bitcoin directly. Otherwise, why can we hear about professional Bitcoin mining farms and corresponding mining machines? Nowadays, professional mining machines composed of hundreds of thousands of graphics cards are used to contribute the computing power of Bitcoin. Whoever packages the corresponding block first will get a reward of 6.25 Bitcoins.

The era has developed to the current stage. If it were the time node in 2009 or even 2010, home computers could indeed support mining Bitcoin at that time, and the computing power of the entire network was not high and the amount of participation was not high. Very few, because at that time many people did not understand Bitcoin, and Bitcoin was not valuable at that time.

So we can see that in the first half of 2010, some miners sold corresponding Bitcoins on Taobao, and the price at that time was RMB 5 to RMB 10 per coin. Even in the second half of 2011, the price of Bitcoin was only about 60 yuan.

However, starting from the second half of 2012, the development stage of Bitcoin has basically passed the era of calling computers to contribute computing power, and has begun to enter the era of professional mining machines. Of course, the current price of Bitcoin has a rich return rate for corresponding mining. However, during the bear market of Bitcoin, mining basically showed a loss. At that time, the only thing to do was to advance funds and hoard coins to wait for the bull market. Only when the cycle comes can the total profit be obtained.

So don’t easily participate in the professional Bitcoin mining industry now. The entry threshold for this industry is extremely high, and it requires professional personnel and a large capital chain support, and the risks are also relatively high.

How many do you dig in a day? With the current price of Bitcoin being nearly 50,000 US dollars, others are putting dozens or hundreds of graphics cards in the room for mining on shelves. With the speed of laptop mining and decoding, it is estimated that there will not be one for several years. If you want Mining still requires at least a graphics card of 1050ti or above, and the more graphics cards, the faster the decoding. At the same time, the electricity bill and the consumption of graphics card life are not small. As an ordinary person, it is best not to have the idea of ​​​​bitcoin, it is easy to get into trouble. It hurts to fall in the air

Do you also believe in pie-in-the-sky stuff? Even if you can really dig it, you need to have a strong server lineup, which is not what your small computer can do. And digging one is not calculated in days, but in years. Do you calculate, can you dig one in a year? ?

Brother, wake up, you are easily deceived by this idea.

The mentality of getting something for nothing is too heavy, as is the behavior of blindly following the trend, and the best thing is still unrealistic.

Just keep your feet on the ground.

4,000 3kW mining machines can mine one BTC 24 hours a day. Your 20 laptops cannot match the computing power of one mining machine. According to this calculation, one laptop will take you 80,000 days. Only one coin can be mined. On average, one 80,000th of a Bitcoin can be mined in 24 hours a day.

But with a laptop, even if you dig 80,000/365=220 years, you will definitely not be able to dig out a single Bitcoin, because every 2 years or so, the number of coins stored in the blockchain will be halved. According to this logic, even if you dig with this laptop for ten thousand years, you won’t be able to dig out a single Bitcoin [cover face][cover face][cover face]

Brother, you think too much, I don’t know if you have I have seen news that during the epidemic, many Internet cafes in South Korea have closed their operations and switched to mining. The computers in the entire Internet cafe cannot mine much in a day, let alone a laptop. I have a friend who specializes in mining. He built a mine on the China-Myanmar border in Yunnan. It's because the electricity bill is cheap there. In the past, many people built mines in Inner Mongolia because the points were stolen, but they were later caught and sentenced. Therefore, if we are not people in the circle and cannot basically operate it, we might as well post more articles to earn some pocket money!

『8』What does distributed accounting of blockchain mean?

This is a good question. Let me give you an example. For example, I deposited 100 yuan in the bank. This The deposit data is only recorded in the bank's database and cannot be obtained by others, which is "centralized accounting". The blockchain is a distributed accounting, a new information recording technology, and it is "encrypted" and "distributed". The data no longer exists in a center, but is stored once on all computers in the network. . For example, if I transfer 100 yuan to you, I will shout to all the computers in the entire network, and everyone will record the account together, which is "distributed accounting."”.

『玖』What are the benefits of the national distributed accounting of blockchain technology?

As for the benefits, Jin Wowo feels that the biggest benefit is the great security. . First of all, there is a central big ledger, so it cannot be destroyed. Each node is just a part of the system. Each node has equal rights and has exactly the same ledger. Destroying some nodes has no impact on the system at all. Secondly, it is impossible to cheat. , because unless you can control the computers of most people in the system to make modifications, the system will refer to the opinions of the majority of people to determine what the real result is. As a result, you will find that modifying your own ledger is completely meaningless (because others will not admit it). Secondly, since there is no centralized intermediary, everything can run automatically through preset programs, which can not only greatly reduce costs, but also improve efficiency. And since everyone has the same ledger, it can ensure that ledger records are The process is open and transparent.

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