区块链技术在交通领域的应用前景分析,区块链在交通运输应用

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Ⅰ What happened to the blockchain recently?

There is a word recently.

It often appears on the Internet,

It’s amazing to see this word,

but I often don’t know what it means.

The word is called

"Blockchain"

Recently, "Blockchain" has been named publicly again.

What is "blockchain"?

From an academic perspective, blockchain is a new usage model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanisms, and encryption algorithms.

Blockchain is essentially a decentralized database.

Explain this.

Many people still don’t understand.

Hypothetical environment:

Methods to solve the blockchain problem:

If you use the whole family to keep accounts, the above problems will not exist, because you keep the accounts, your dad keeps the accounts, and your mom keeps the accounts. They can all see the ledger, you can’t change it, and neither can your parents. So you can't help the dad who wants to buy cigarettes, nor can you help the greedy dad.

In other words, the blockchain

this distributed digital ledger

records everything that has happened

and the transactions are unanimously approved by the system.

Each block is a ledger.

It can not only record transaction information

but also has more functions.

Multi-functional "Blockchain"

Each block is like a hard drive, with all the information on it saved and then encrypted using cryptography. This saved information cannot be tampered with.

Looks like it

Blockchain has some super technical properties.

Characteristics of blockchain

1. Exceptionally safe: Unlike centralized databases owned by companies or government agencies, blockchain is not controlled by any person or entity, and the data is completely replicated (distributed) across multiple computers superior. Unlike centralized databases, there is no single entry point for attackers, so data is more secure.

2. Non-tamperability: Once entered into the blockchain, no information can be changed, and even administrators cannot modify this information. Once something happens, it cannot be changed. This property is of great significance to the ever-changing and ever-changing online world in which humans live.

3. Accessibility: All nodes in the network can easily access information.

4. No third party: Because of the decentralization of the blockchain, it can facilitate peer-to-peer transactions. Therefore, whether it is a transaction or fund exchange, no third party approval is required. Blockchain itself is a platform.

What will the future development and usage scenarios of blockchain look like?

Watch more news.

More News

1. Digital Identity

Many people will encounter the dilemma of "proving that my mother is my mother" when applying for various certificates. With blockchain, there is no need to worry anymore.

Our original birth certificates, real estate certificates, marriage certificates, etc. It needs a central node for everyone to recognize. Once cross-border, contracts and certificates may become invalid due to the lack of a global central node.

The immutable nature of blockchain technology fundamentally changes this situation. Our birth certificates, real estateCertificates and marriage certificates can be notarized on the blockchain and become something trusted by the whole world. Of course, it is also easy to prove "my mother is my mother".

2. Health care

To put it simply, the blockchain is used to establish a universal record library with timestamps, so as to extract data information from different databases. For example, when you go to see a doctor, you can have repeated examinations without changing hospitals, and you don’t have to go back and forth for medical insurance reimbursement, which can save time and money.

3. Travel consumption

For example, we often use apps such as Ctrip and Meituan to find and place orders for hotels and other services, and each platform earns commissions from them. The use of blockchain is to remove middlemen and create a secure, decentralized way for service providers and customers to achieve direct connection and transactions.

4. More convenient transactions

Blockchain can make payments and transactions more efficient and convenient. The blockchain platform allows users to create smart contracts that become active when specific conditions are met, meaning that automatic payments can be released when both parties agree that their conditions are met.

5. Strictly control product quality.

If you buy an apple, with blockchain technology, you can know the entire process from production to distribution. There are government regulatory information, professional testing data, corporate quality inspection data, etc. Smart supply chains will make our daily food and commodities safer and give us more peace of mind.

6. Property rights protection

Related Q&A: What does blockchain mean?

Blockchain is a new usage model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithms. Blockchain is an important concept of Bitcoin.

It is essentially a decentralized database, and as the underlying technology of Bitcoin, it is a series of data blocks generated using cryptographic methods. Each data block contains a batch of Bitcoin network transactions. The information is used to verify the validity of its information (anti-counterfeiting) and generate the next block.

Blockchain is closely related to people's production and life in the fields of public management, energy, hotel management, transportation, etc. However, the centralized nature of these fields also brings some problems, which can be transformed with blockchain.

The decentralized fully distributed DNS service can realize domain name query and resolution through point-to-point data transmission services between each other in the network, and can be used for certain important infrastructure operating systems and firmware without being tampered with. It can monitor the status and initialization of software to detect bad tampering and ensure that data transmitted by systems using IoT technology has not been tampered with.

The above content refers to the Internet-Blockchain

Ⅱ Please answer, has Ant Blockchain technology been applied in transportation?

Ant Blockchain technology has solved the above problems. The efficiency of taking subways across cities in the Yangtze River Delta is an issue. In the past, the biggest difficulty in cross-city travel was off-site ticket settlement, but now relevant ticket information is recorded on the blockchain. Each city subway company can directly obtain the corresponding section and price of the ride from the chain, and successfully conduct real-time Settlement. Now includesWhen citizens in 13 cities including Hainan and Ningbo go to other cities, they only need to open the subway APP of their own city and scan the code to take a train in other cities, making transportation more convenient.

III How blockchain technology can play a greater role in economic and social development

As the construction of a transportation power continues

In September 2019, the Central Committee of the Communist Party of China and the State Council The "Outline for Building a Powerful Transportation Nation" was issued, and it is planned to basically build a strong transportation country by 2035. In the "Outline for Building a Powerful Transportation Nation", in addition to "reducing costs and increasing efficiency" of my country's transportation based on existing infrastructure, advanced transportation equipment plays an "innovative" role, mainly transforming the incremental growth of my country's transportation. In the "Outline for Building a Powerful Transportation Nation", advanced equipment mainly includes large-scale carriers and special equipment to promote the upgrading of equipment technology; research and development of autonomous driving, vehicle-road collaboration, underwater robots, large-scale deep-sea multi-functional rescue ships, etc.; and the widespread use of smart high-speed rail , smart roads, smart shipping, etc.

IV Multiple types of data are shared on the "chain", online and offline services are coordinated, and blockchain government affairs make things easier

"Blockchain+ What kind of sparks will come out of "Government Affairs"? Mawei Xingang Community in Fuzhou City, Fujian Province uses blockchain technology to solve the pain points of government informatization and launches a "blockchain + community certification" application. "This application can easily realize the electronic issuance of certificates required by enterprises and the masses, promote the transformation from 'reduced certificates' to 'no certificates', let data run instead of people running errands, improve service efficiency, and better serve the people. "Ms. Zhu, a citizen of Fuzhou, said.

Provident funds can be transferred and continued in other places

"Post-90s" Chen Jing joined a new company at the end of last year, and her work location changed from Hangzhou, Zhejiang to Chengdu, Sichuan. If you change your workplace, how can you transfer the previously accumulated housing provident fund to a new account? After consultation, Chen Jing learned that by searching for the "National Housing Provident Fund" applet on her mobile phone, she could realize the transfer to other places. According to the relevant person in charge of the Ministry of Housing and Urban-Rural Development, the "National Housing Provident Fund" applet will be launched online in October 2021. The Ministry of Housing and Urban-Rural Development has built a credible data environment for the operation of the applet by deepening the application of new technologies such as blockchain to ensure that depositors information and financial security. Thanks to blockchain technology, depositors can transfer housing provident fund accounts and funds across cities through mini programs. They no longer need to go to the counter to handle off-site transfers and continuations, greatly shortening the processing time and further facilitating the cross-regional flow of human resources. .

Multiple types of data are shared on the "chain", online and offline services are coordinated, and the use of blockchain technology improves the efficiency of government departments and public satisfaction. For example, in Haidian District, Beijing, APP has opened a "Blockchain Zone", which can directly handle matters such as public rental housing subsidies and Haidian District high-tech talent training subsidy approvals... With the application of new technologies such as blockchain, many government services can be handled "online and all-process online." ".

In addition, Zhuzhou City in Hunan Province has also innovated administrative approval service methods and launched blockchain application scenarios for electronic certificates, effectively improving the level of government data sharing and business collaboration efficiency; Fuzhou City has launched the "Rongcheng on the Chain" plan , exploring the use of blockchain technology in four fields including e-government, financial technology, social governance, and people's livelihood security.

Why does the government field favor blockchain technology? Industry insiders believe that blockchain technology has the characteristics of non-tampering, security, confidentiality and traceability, and is highly suitable for government service needs such as cross-domain data sharing and collaborative business management. The active use of blockchain technology can solve the problem of data sharing in the government service process. to solve problems such as difficulties in business coordination and improve government management services, overall planning and coordination capabilities.

Effectively supporting people’s livelihood services

Related management service platforms based on blockchain in many places in China have been launched frequently: in Jiangsu, the country’s first transfer of idle residential use rights based on blockchain technology The transaction was successfully completed. Relying on the provincial information service platform, the transaction information can be directly uploaded to the "chain" for certificate storage, ensuring that the housing source is credible and the results are traceable; in Zhejiang, the first intellectual property blockchain public certificate storage platform was officially launched, providing data Assets, original designs and other intellectual property rights provide efficient and fast certificate storage services; in Yunnan, the Provincial Market Supervision Administration and the Provincial Key Laboratory of Blockchain Application Technology jointly carry out Yunnan Province’s blockchain underlying chain food traceability work based on domestically produced independent , through blockchain technology, we can promote product source traceability, one-stop code, logistics tracking, responsibility identification and credit evaluation, so that blockchain technology can truly contribute to people's livelihood services.

Hu Kai, a professor at the School of Computer Science at Beihang University, told this reporter that the current blockchain industry applications are mainly divided into four categories: real economy, financial services, social governance and people's livelihood services. The government attaches great importance to guiding blockchain The application of chain in manufacturing, energy, government affairs, education and other fields has been implemented.

Active drive at the policy level has allowed blockchain to continue to advance in industries such as judicial evidence storage and transportation and shipping data sharing. In May, the Supreme People's Court issued the "Opinions of the Supreme People's Court on Strengthening the Judicial Application of Blockchain", proposing that by 2025, a blockchain alliance for interoperability and sharing between people's courts and all walks of life should be established to form a relatively complete blockchain judicial system. Field application standard system. In June, the Ministry of Transport issued the "Guidelines for the Construction of an Electronic Platform for Imported Dry Bulk Cargo Entry and Port Business Based on Blockchain" in June, proposing to promote the in-depth integration and development of blockchain technology and the transportation industry.

Let data flow safely and orderly

Hu Kai believes that in the high-level digital economyToday, with rapid development, numbers and data are key elements for future social development, but data also faces many complex issues such as legality, interoperability, privacy, security, traceability, storage, and transactions. How to make data flow more securely and orderly? Blockchain technology has broad room for development.

Blockchain technology is accelerating breakthrough applications and playing a role in establishing a trustworthy and secure digital economic order and promoting high-quality economic and social development. The China Academy of Information and Communications Technology released the "Blockchain Infrastructure Research Report (2022)" in July this year, proposing that as the scale of blockchain infrastructure construction continues to expand and operating capabilities continue to increase, blockchain can not only be used in encrypted digital Currency and other scenarios can also be applied in manufacturing, service industries and other fields. Typical application scenarios such as digital collections, data circulation, supply chain finance, and product traceability have emerged.

IV What are the practical applications of blockchain technology

1. Financial field

Blockchain is used in international exchange, letters of credit, stock rights registration and Financial fields such as stock exchanges have potentially huge application value.

2. Internet of Things and Logistics Fields

Blockchain can also be naturally combined in the Internet of Things and logistics fields.

Through blockchain, logistics costs can be reduced, the production and delivery process of items can be traced, and the efficiency of supply chain management can be improved.

3. Public service fields

Blockchain is closely related to people’s production and life in public management, energy, transportation and other fields, but the centralization of these fields Characteristics also bring some problems, which can be transformed using blockchain.

4. Digital copyright field

Through blockchain technology, works can be authenticated, prove the existence of text, video, audio and other works, and ensure the authenticity and uniqueness of ownership. sex.

5. Insurance field

In terms of insurance claims, insurance institutions are responsible for fund collection, investment, and claims settlement, and often have high management and operating costs. Through the application of smart contracts, there is no need for the policy holder to apply or the insurance company to approve it. As long as the claim settlement conditions are triggered, the insurance policy can automatically settle claims.

6. Public Welfare Field

The data stored on the blockchain is highly reliable and cannot be tampered with, so it is naturally suitable for social welfare scenarios.

VI Tutorials for getting started with blockchain

However, there are very few simple and easy-to-understand introductory articles. What exactly blockchain is and what makes it special is rarely explained.
Next, I will try to write a best-understood blockchain tutorial. After all, it is not difficult. The core concept is very simple and can be explained clearly in a few sentences. I hope that after reading this article, you will not only understand the blockchain, but also understand what mining is, why mining is getting more and more difficult, and other issues.
It should be noted that I am not an expert in this area. Although I have been paying attention to it for a long time, my detailed understanding of blockchain started at the beginning of this year. Errors and inaccuracies in the textWhere, everyone is welcome to correct me.
1. The essence of blockchain
What is blockchain? In a word, it is a special distributed database.
First of all, the main function of blockchain is to store information. Any information that needs to be saved can be written to the blockchain and read from it, so it is a database.
Secondly, anyone can set up a server, join the blockchain network, and become a node. In the world of blockchain, there is no central node. Every node is equal and stores the entire database. You can write/read data to any node, because all nodes will eventually be synchronized to ensure that the blockchain is consistent.
2. The biggest features of blockchain
Distributed databases are not a new invention, and there have been such products on the market for a long time. However, blockchain has a revolutionary feature.
Blockchain has no administrator, it is completely centerless. Other databases have administrators, but blockchain does not. If one wanted to add auditing to the blockchain, it would not be possible because it is designed to prevent the emergence of a central authority.
It is precisely because it is unmanageable that blockchain can be uncontrollable. Otherwise, once big companies and large groups control the management, they will control the entire platform, and other users will have to take orders from them.
However, without an administrator, everyone can write data into it. How can we ensure that the data is trustworthy? What if it is modified by a bad person? Please read on, this is the wonderful thing about blockchain place.
3. Block
Blockchain is composed of blocks. Blocks are much like database records. Every time data is written, a block is created.
Each block contains two parts.
Head: records the characteristic values ​​of the current block
Body: actual data
The block header contains multiple characteristic values ​​of the current block.
Generation time
Hash of the actual data (i.e. block body)
Hash of the previous block
...
Here, you need to understand what a hash is , which is necessary to understand blockchain.
The so-called hashing means that the computer can calculate a characteristic value of the same length for any content. The hash length of the blockchain is 256 bits, which means that no matter what the original content is, a 256-bit binary number will be calculated in the end. And it can be guaranteed that as long as the original content is different, the corresponding hash must be different.
For example, the hash of the string 123 is (hexadecimal), which is 256 bits when converted to binary, and only 123 can get this hash. (Theoretically, it is possible for other strings to get this hash, but the probability is extremely low and can be approximated as impossible.)
Therefore, there are two important inferences.
Corollary 1: The hash of each block is different, and the block can be identified by the hash.
Corollary 2: If the content of the block changes, its hash will definitely changeChange.
4. The non-modifiable nature of Hash
Blocks and hashes have a one-to-one correspondence, and the hash of each block is calculated based on the block header (Head). That is to say, the characteristic values ​​​​of the block header are connected together in order to form a very long string, and then the hash is calculated on this string.
Hash = SHA256 (block header)
The above is the calculation formula of block hash. SHA256 is the hash algorithm of the blockchain. Note that this formula only contains the block header and not the block body. In other words, the hash is uniquely determined by the block header.
As mentioned before, the block header contains a lot of content, including the hash of the current block body. , and the hash of the previous block. This means that if the content of the current block body changes, or the hash of the previous block changes, it will definitely cause the hash of the current block to change.
This point has great significance for blockchain. If someone modifies a block, the hash of the block changes. In order for subsequent blocks to still be connected to it (because the next block contains the hash of the previous block), the person must modify all subsequent blocks in sequence, otherwise the modified block will be removed from the blockchain . Due to the reasons mentioned later, hash calculation is very time-consuming, and it is almost impossible to modify multiple blocks in a short period of time, unless someone controls more than 51% of the computing power of the entire network.
It is through this linkage mechanism that the blockchain ensures its own reliability. Once the data is written, it cannot be tampered with. This is just like history, what happened happened, and it can’t be changed from now on.
Each block is connected to the previous block, which is where the name blockchain comes from.
5. Mining
Since synchronization between nodes must be ensured, the adding speed of new blocks cannot be too fast. Just imagine, you have just synchronized a block and are preparing to generate the next block based on it, but at this time, another node generates a new block, and you have to give up half of the calculations and synchronize again. Because each block can only be followed by one block, you can only generate the next block after the latest block. So, you have no choice but to sync as soon as you hear the signal.
So, the inventor of the blockchain, Satoshi Nakamoto (this is a pseudonym, his true identity is still unknown), deliberately made it difficult to add new blocks. His design is that on average, the entire network can generate a new block every 10 minutes, which is only six per hour.
This output speed is not achieved through commands, but by deliberately setting up massive calculations. In other words, only through an extremely large amount of calculations can the effective hash of the current block be obtained and the new block added to the blockchain. Because the amount of calculation is too large, it cannot be done quickly.
This process is called mining, because the difficulty of calculating a valid hash is like finding a grain of sand that meets the conditions among the sand in the world. The machine that calculates hashes is called a mining machine, and the person who operates the mining machine is called a miner.
6. Difficulty coefficient
ReadingAt this point, you may have a question. People say that mining is difficult, but isn’t mining just about using a computer to calculate a hash? This is the strength of computers. Why does it become so difficult and it still can’t be calculated? ?
It turns out that not just any hash will do, only hashes that meet the conditions will be accepted by the blockchain. This condition is particularly harsh, causing most hashes to fail to meet the requirements and must be recalculated.
It turns out that the block header contains a difficulty coefficient (difficulty), which determines the difficulty of calculating the hash. For example, the difficulty coefficient of the 100,000th block is 14484.16236122.
The blockchain protocol stipulates that the target value (target) can be obtained by dividing the difficulty coefficient by a constant. Obviously, the greater the difficulty coefficient, the smaller the target value.
The validity of the hash is closely related to the target value. Only hashes smaller than the target value are valid, otherwise the hash is invalid and must be recalculated. Since the target value is very small, the chance that the hash is smaller than this value is extremely slim. It may be calculated 1 billion times before it is considered a hit. This is the fundamental reason why mining is so slow.
As mentioned earlier, the hash of the current block is uniquely determined by the block header. If the hash of the same block needs to be calculated repeatedly, it means that the block header must keep changing, otherwise it is impossible to calculate different hashes. All feature values ​​in the block header are fixed. In order to make the block header change, Satoshi Nakamoto deliberately added a random item called Nonce.
Nonce is a random value. The role of the miner is actually to guess the value of Nonce so that the hash of the block header can be smaller than the target value so that it can be written to the blockchain. Nonce is very difficult to guess. At present, we can only use trial and error one by one through exhaustive methods. According to the protocol, Nonce is a 32-bit binary value, which can reach a maximum of 2.147 billion. The Nonce value of the 100,000th block is 274148111. It can be understood that the miner started from 0 and calculated 274 million times before obtaining a valid Nonce value so that the calculated hash can meet the conditions.
If you are lucky, you may find Nonce in a while. If you are unlucky, you may have calculated it 2.147 billion times without finding the Nonce, that is, it is impossible to calculate a hash that meets the conditions for the current block body. At this time, the protocol allows miners to change the block body and start a new calculation.
7. Dynamic adjustment of difficulty coefficient
As mentioned in the previous section, mining is random, and there is no guarantee that a block will be produced in exactly ten minutes. Sometimes it can be calculated in one minute, and sometimes it may take several hours. No result. Overall, with the improvement of hardware equipment and the increase in the number of mining machines, the computing speed will definitely become faster and faster.
In order to keep the output rate constant at ten minutes, Satoshi Nakamoto also designed a dynamic adjustment mechanism for the difficulty coefficient. He stipulated that the difficulty factor should be adjusted every two weeks (2016 blocks). If within these two weeks, the average blockIf the generation speed is 9 minutes, it means that it is 10% faster than the legal speed, so the difficulty factor of the next step must be increased by 10%; if the average generation speed is 11 minutes, it means that it is 10% slower than the legal speed, so The next difficulty level will be lowered by 10%.
The difficulty coefficient is adjusted higher and higher (the target value is getting smaller and smaller), which makes mining more and more difficult.
8. Forks of the blockchain
Even if the blockchain is reliable, there is still an unresolved problem: if two people write data to the blockchain at the same time, that is to say, two people write data to the blockchain at the same time. Blocks join because they are connected to the previous block, forming a fork. Which block should be adopted at this time?
The current rule is that new nodes always adopt the longest blockchain. If there is a fork in the blockchain, it will look at which branch is behind the fork to reach 6 new blocks first (called six confirmations). Based on a block calculation of 10 minutes, it can be confirmed in one hour.
Since the generation speed of new blocks is determined by computing power, this rule means that the branch with the most computing power is the authentic blockchain.
9. Summary
Blockchain, as an unmanaged distributed database, has been running for 8 years since 2009 without major problems. This proves it works.
However, in order to ensure the reliability of data, blockchain also has its own price. The first is efficiency. You have to wait at least ten minutes to write data to the blockchain. All nodes synchronize the data, which requires more time. The second is energy consumption. The generation of blocks requires miners to perform countless meaningless calculations. This is Very energy consuming.
Therefore, the applicable scenarios of blockchain are actually very limited.
There is no management authority that all members trust
The written data does not require real-time use
The benefits of mining can make up for its own costs
If the above conditions cannot be met, then the traditional database is Better solution.
Currently, the largest application scenario (and possibly the only application scenario) of blockchain is the cryptocurrency represented by Bitcoin.

Ⅶ How to apply blockchain How to apply blockchain

1. Financial field:
Blockchain is widely used in international exchange, letters of credit, equity registration and Financial fields such as stock exchanges have potentially huge application value. The application of blockchain technology in the financial industry can eliminate the need for third-party intermediaries and achieve direct point-to-point connection, thereby greatly reducing costs and quickly completing transaction payments.
2. Internet of Things and Logistics Fields:
Blockchain can also be naturally combined in the Internet of Things and logistics fields. Through blockchain, logistics costs can be reduced, the production and delivery process of items can be traced, and the efficiency of supply chain management can be improved. This field is considered a promising application direction of blockchain.
3. Public service field:
Blockchain is closely related to people’s production and life in public management, energy, transportation and other fields, but the centralized characteristics of these fields are alsoIt has brought about some problems that can be transformed using blockchain. The decentralized, fully distributed DNS service provided by the blockchain can realize domain name query and resolution through point-to-point data transmission services between various nodes in the network, and can be used to ensure that the operating system and firmware of an important infrastructure are not Tampered, you can monitor the status and integrity of the software, detect bad tampering, and ensure that the data transmitted by systems using IoT technology has not been tampered with.
4. Digital copyright field:
Through blockchain technology, works can be authenticated, proving the existence of text, video, audio and other works, and ensuring the authenticity and uniqueness of ownership. After the rights of the work are confirmed on the blockchain, subsequent transactions will be recorded in real time, realizing full life cycle management of digital copyright, and can also be used as a technical guarantee in judicial evidence collection. For example, MineLabs, a startup company in New York, USA, has developed a blockchain-based metadata protocol. This system called Mediachain uses the IPFS file system to realize copyright protection of digital works, mainly for copyright protection applications of digital pictures.
5. Insurance field:
In terms of insurance claims, insurance institutions are responsible for fund collection, investment, and claims settlement, and often have high management and operating costs. Through the application of smart contracts, there is no need for the policy holder to apply or the insurance company to approve it. As long as the claim settlement conditions are triggered, the insurance policy can automatically settle claims. A typical application case is LenderBot, which was launched in 2016 by the blockchain company Stratumn, Deloitte and the payment service provider Lemonway. It allows people to register for customized micro-insurance products through the chat function of Facebook Messenger, exchanging funds between individuals. High-value items are insured, and blockchain replaces the third-party role in loan contracts.
6. Public welfare field:
The data stored on the blockchain is highly reliable and cannot be tampered with, so it is naturally suitable for use in social welfare scenarios. Relevant information in the public welfare process, such as donation projects, fundraising details, fund flows, recipient feedback, etc., can be stored on the blockchain and transparently and publicly disclosed conditionally to facilitate social supervision.

Ⅷ Interpretation of the "Blockchain Information Service Management Regulations" | "Tourism" law can be followed

On January 10, 2019, the State Internet Information Office issued the "Blockchain Information Service Management Regulations" 》 (hereinafter referred to as the "Regulations"), and will come into effect on February 15, 2019. In order to help readers understand the content of the "Regulations" more clearly and straightforwardly, we have conducted a professional interpretation of this new regulation and compiled several highlights of the "Regulations": 1. It is clarified that the competent department of blockchain information services shall be responsible for Article 3: The supervision, management and law enforcement departments of blockchain information services are Internet Information Offices at all levels. 2. Clarify the definition of blockchain information service providers. According to Article 2 of the "Regulations", the so-called blockchain information services refer to the services provided to the public through Internet websites, applications, etc. based on blockchain technology or systems. Provide information servicesservice. Blockchain information service providers refer to entities or nodes that provide blockchain information services to the public, as well as institutions or organizations that provide technical support to entities that provide blockchain information services. According to the above definition, it can be seen that only information services such as news reports about blockchain and Bitcoin are provided to the public, such as mobile APPs such as Mars Finance and Bikuaibao, as long as the underlying technology for providing services is not based on blockchain technology or systems. It does not belong to the blockchain information services mentioned in the "Regulations" and is not subject to the "Regulations". As for mobile apps or games such as "NetEase Planet", "Nishuihan", "A Chinese Ghost Story", etc., since some of them use blockchain technology or systems to provide services to users, their operators should be classified as blockchain information services provider. In addition, in view of the above definition, even if an organization or institution itself does not provide blockchain information services to the public, as long as it provides technical support to blockchain information service subjects, it still belongs to blockchain information services. Providers are bound by the Regulations. This means that the more popular model of "overseas establishment of entities to issue coins on the chain + domestic companies to provide technical services" may come to an end. 3. Clarify the security management responsibilities of blockchain information service providers. The "Regulations" clearly stipulate the responsibilities of blockchain information service providers. Mainly include: 4. Clarify the filing responsibilities and related procedures of blockchain information service providers. In addition to the above responsibilities, blockchain information service providers should also perform filing responsibilities: 1. Within ten working days from the date of provision of services. Fill in the name, service category, service form, application field, server address and other information of the service provider through the Blockchain Information Service Registration Management System of the Cyberspace Administration of China and perform the registration procedures. 2. If the service items, platform address and other matters are changed, the change procedures shall be completed within five working days from the date of change. 3. If the service is terminated, the cancellation procedures should be completed thirty working days before the service is terminated, and proper arrangements should be made. 4. Those who engage in blockchain information services before the "Regulations" are promulgated (i.e. before January 10, 2019) shall comply with the regulations within twenty working days from the date when the "Regulations" come into effect (i.e. February 15, 2019). Complete relevant procedures. 5. Blockchain information service providers should log in to the blockchain information service filing management system within the specified time and provide relevant information to cooperate with the Internet Information Office in conducting regular inspections of the filing information. Registration agencies: Internet information offices at all levels. Filing procedures: After the blockchain information service provider submits materials, the Internet Information Source Information Office shall file the materials within twenty working days, issue a filing number, and report to the State Internet Information Office through the Blockchain Information Service Filing Management System. The public publishes the filing information; if the materials are incomplete, the filing will not be granted, but the filing person shall be notified within twenty working days and the reasons shall be explained. The promulgation of the "Regulations" clarified the subject boundaries of blockchain information service providers, stipulated in detail the subject responsibilities of blockchain information service providers, and filled the gap between the current domestic gaming industry's requirements for blockchain information services.The regulatory gap in the service field marks the arrival of the "regulatory era" in the field of blockchain information services. For the blockchain information service industry, it means more orderly and healthy development; for practitioners who are currently engaged in or are interested in providing blockchain information services in the future, it means higher compliance requirements. .

Ⅸ What are the application fields of blockchain technology?

Application fields: financial field, Internet of Things and logistics field, public service field, digital copyright field, insurance field, and public welfare field.

Blockchain can also be naturally combined in the Internet of Things and logistics fields. Through blockchain, logistics costs can be reduced, the production and delivery process of items can be traced, and the efficiency of supply chain management can be improved. This field is considered a promising application direction of blockchain.

Blockchain is closely related to people’s production and life in the fields of public management, energy, transportation, etc. However, the centralized nature of these fields also brings some problems, which can be transformed with blockchain.

Blockchain Technology

This major cultivates the comprehensive development of moral, intellectual, physical, artistic and labor skills, and masters basic knowledge of natural sciences, humanities and social sciences, and basic theories of computer science. , basic theory and application knowledge of blockchain technology and application, have the basic ability of blockchain software development, software development practice and project organization, have the awareness of innovation and entrepreneurship, competition and team awareness and craftsman spirit, and be able to engage in blockchain High-quality and high-level technical skills talents for chain technology design, management, service and other work.

Reference for the above content: Network-Blockchain Technology