区块链数字认证,区块链数字平台

区块链数字认证是一种基于区块链技术的新型数字认证技术，它可以用于认证、保护和存储数字资产，以及确保数据的可信性和安全性。区块链数字认证技术的优势在于可以以去中心化的方式实现数字资产的安全存储和安全转移，并可以有效地保护数字资产的可信性和安全性，从而提高数字资产的可信度。

区块链数字平台是一种基于区块链技术的新型数字平台，它能够支持多方参与的分布式认证、转移和存储数字资产，以及确保数据的可信性和安全性。区块链数字平台的优势在于可以支持多方参与，实现数字资产的安全存储和安全转移，并可以有效地保护数字资产的可信性和安全性，从而提高数字资产的可信度。

智能合约是一种基于区块链技术的新型智能合约，它可以帮助用户实现自动化的、可信赖的、可控的交易，以及确保交易的安全性。智能合约的优势在于可以以自动化的方式实现数字资产的安全交易，从而提高交易的可信度和安全性。智能合约可以帮助用户实现自动化的、可信赖的、可控的交易，并可以有效地保护数字资产的可信性和安全性。

近年来，随着区块链技术的不断发展，区块链数字认证、区块链数字平台和智能合约等新型技术已经成为数字资产安全存储和安全转移的重要手段。这些新型技术不仅可以有效地保护数字资产的可信性和安全性，而且还可以实现多方参与的分布式认证、转移和存储数字资产，从而提高数字资产的可信度。

总之，区块链数字认证、区块链数字平台和智能合约是基于区块链技术的新型数字认证技术，它们可以有效地保护数字资产的可信性和安全性，从而提高数字资产的可信度。未来，这些新型技术将在数字资产安全存储和安全转移方面发挥重要作用，为社会提供更安全、更可靠的数字资产服务。

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1. HBA public chain: Create a public chain ecosystem covering blockchain + full-scenario applications

Since the development of blockchain technology, people and even the country have gradually paid attention to it. As a new application model based on computer technologies such as distributed data storage, point-to-point transmission, consensus mechanisms, and encryption algorithms, the essence of blockchain is a decentralized data storage system that can be updated but cannot be tampered with.

The application of blockchain technology has extended to digital asset transactions, the Internet of Things, commodity traceability, digital culture, digital medicine, network security, medicine and health, etc., promoting social production and life. Major changes in methods and production relations.

The research and development of the HBA public chain began in February 2019. The core team is composed of early overseas blockchain participants and is jointly maintained by multiple decentralized distributed communities around the world. Innovatively proposes the 3R circular economy model (Rece, Renue, Racycle). The token uses the POC+POS mechanism to gradually reward everyone who contributes to the ecology. It will not generate a large number of tokens at no cost like other public chains, and is effective. It has cracked down on industry chaos and ensured fairness for every ecological participant.

HBA has realized a truly decentralized blockchain through a large amount of technology accumulation, developed source code, and established a complete blockchain browser. Users can query the generation of each block and the process of each transaction. It provides a truly fair and open environment in which no one can cheat and everyone can truly become a supervisor of the system.

The ecological application scenarios of the HBA public chain include digital identity, artificial intelligence, supply chain finance, DEFI platform, cross-chain payment, health care, food safety, and education. At present, the development of public chains, blockchain browsers, and decentralized exchanges has been completed. The HBA public chain will be tested on the mainnet in October 2020!

At the same time, in the ecology of the HBA public chain, there is also a group of self-organized evangelists and professional lecturers to serve the HBA member ecology and provide a one-stop service of "incubation, training, and market development" for the HBA ecological community. Serve.

Australian, holds senior management positions in multiple chambers of commerce. Started working on blockchain in 2013. In 2014, he applied for the first wallet retrieval patent. In 2015, he went to the government department to teach blockchain. , patent ranking fifth in the world. At the same time, he has his own financial management company in Australia and created the chain33 blockchain underlying architecture. He has a lot of technical reserves and applications, holds BCS and TELC qualification certificates, has published 4 works, and has millions of readers and fans.

In the medical field, we currently face two major challenges: First, the medical system is complex, involving pharmaceutical manufacturers, medicalMedical service providers and patients, etc., therefore need to connect all parties and accurately transmit information; second, the medical supply chain lacks traceability. Blockchain technology has the potential to solve the above problems and create new medical models because of its traceability, without the need to coordinate parties, and its high accuracy and reliability.

HBA is based on blockchain technology and combines big data, artificial intelligence and Internet of Things technologies, covering the fields of medical care, medicine, medical insurance, pension, medical equipment, biology, insurance, finance, government and society. public chain.

HBA has rich international medical experience in global new medical health. It can meet the health needs of various users with precise and efficient treatment methods and provide a variety of health-related linkage services. This is because they are very Understand the deficiencies in the current healthcare model. Integrate resources and create a new medical system to solve the problem of difficulty and high cost of medical treatment for the people. We will use 5G technology to efficiently prevent doctor resources from being wasted. With the characteristics of "fast, convenient and accurate" intelligent technology, it provides people with "one-stop" medical and health service solutions.

IPFS, the Chinese name of the Interstellar File System, is a point-to-point distributed file system. It is a hypermedia transmission protocol based on content addressing, versioning, and point-to-point. Its purpose is to supplement or even replace the The traditional centralized storage HTTP protocol has been used for more than 20 years.

The advantages of IPFS are: efficiency, security, privacy, permanent storage, low cost, faster access, etc.

HBA’s block data is stored using the IPFS decentralized storage structure. All blocks have pointer references to the previous block to ensure that the data is not tampered with. The sha256 function is used to hash the data, the ecc asymmetric encryption algorithm is used for identity authentication, the aes encryption algorithm is used to encrypt the private key, and the Merkle number is used to verify and store transactions.

HBA public chain combines the advantages of blockchain for distributed storage, aiming to improve data security, privacy and users' control over their data. At the same time, users can receive token rewards by participating in providing storage space. .

1) Current status: Under development

2) February 2019: Code open source research and development

3) October 2020: Mainnet Tested online

As an emerging technology, blockchain covers decentralization, trustlessness, sharing economy, distributed computing, distributed storage and other aspects, and will comprehensively innovate existing social system.

HBA public chain has always insisted on advancing with the times, constantly learning new design concepts and development technologies, using the latest design concepts to serve customers and achieve a good user experience. The Internet of Things industry is boomingdevelopment, only innovative technologies and models can last forever. We firmly believe that innovation is the eternal driving force for human progress. Technology has a starting point, but innovation has no end! Innovation, pragmatism and efficiency will be our eternal pursuit!

Eighteen

2. What are the basic knowledge about blockchain

1. Application of blockchain technology in banking industry

The biggest feature of blockchain technology is decentralization, and this feature will reduce a lot of costs for the banking industry. The development of digital currency will make it possible to realize real-time digital transactions in banks. For example, in bill transactions, bank bill transactions have always relied on a third party to realize the transfer of valuable certificates. Even electronic bill transactions require interactive authentication through information from the central bank's ECDS system. . Blockchain technology can realize point-to-point transfer of value and no longer requires centralized system control. This not only speeds up the speed of ticket transfer, but more importantly, it can reduce errors caused by human factors and reduce processes. Naturally, it will reduce the bank's demand for personnel and save the bank's labor costs.

2. Application of blockchain technology in the insurance industry

Blockchain technology also has incomparable advantages in the insurance industry. From the perspective of data management, the application of blockchain technology by insurance companies can effectively improve risk management and control capabilities, including the risk supervision of insurance companies and the risk management of policyholders.

The application of blockchain technology in the insurance industry can strengthen the internal risk supervision of insurance companies. Blockchain technology can record the daily operating processes of insurance companies on nodes, and can achieve in-process control over the company's capital flow, investment status, compensation payments and other businesses, and improve the company's risk management and control capabilities.

3. Application of blockchain technology in the securities industry

The application of blockchain technology in the securities industry can increase the flexibility of securities issuance. Companies issuing securities can use smart contracts , by setting the method and time of securities issuance, securities can even be issued 24 hours a day under the most ideal condition.

4. Blockchain technology and financial infrastructure

Blockchain technology uses a decentralized mechanism for value exchange, which will lead to a modern world characterized by centralization. Some financial infrastructures have undergone earth-shaking changes.

5. Application of blockchain technology in supply chain

The application of blockchain technology in supply chain first provides credit guarantee , the blockchain records the circulation information of commodities, etc., which can prove the true reliability of commodities and their circulation, so as to conduct a comprehensive evaluation of the utility of enterprises on the chain, etc., and has become an important factor for corporate bank loan credit, financing credit, An effective guarantee for transaction credit.

3. What is blockchain

Blockchain is a term in the field of information technology. Blockchain is an uninterrupted digital ledger of economic transactions that canto be programmed to record not just financial transactions, but almost anything of value. Simply put, it is a decentralized, distributed database of immutable records that is managed by a cluster of computers but does not belong to any single entity. Blockchain is stored as a database or flat file.

4. What is the blockchain?

What is the blockchain?

What is the blockchain? Many people don’t know what the blockchain is. , is not very clear, and some people have even never heard of it. In fact, blockchain is a common one. I have compiled relevant information about what blockchain is for everyone.

What is blockchain 1

Speaking of blockchain, we have to mention its twin brother-Bitcoin.

Time goes back to 11 years ago. On November 1, 2008, the world was shrouded in the huge shadow of the financial crisis. That day, a mysterious geek who called himself "Satoshi Nakamoto" sent a group email.

Attached to the email is a paper titled: "Bitcoin: A Peer-to-Peer Electronic Cash System."

Satoshi Nakamoto said in the email that he is working on a new electronic cash system that is completely peer-to-peer and does not require any trusted third party. About half a month later, Satoshi Nakamoto released the source code of the Bitcoin system non-stop.

On January 3, 2009, an interesting invention turned out. Satoshi Nakamoto generated the first Bitcoin block on the server, which is the so-called "Bitcoin genesis block". Since then, the Bitcoin system has officially opened.

Having said that, you might as well stop and think about how we conduct cash transactions in real life.

Suppose you borrow 10,000 yuan from a friend and promise to pay it back in one month. You may choose to repay the loan by bank card transfer. The bank is responsible for deducting 10,000 yuan from your deposit account and adding 10,000 yuan to your friend's deposit account.

Here, the bank is the institution responsible for keeping accounts. The underlying reason why you choose bank transfer is that you believe it is more reliable and will help you transfer 10,000 yuan to a friend.

However, in the digital world, inventing a currency is another matter.

The hero behind the Bitcoin game

First of all, Satoshi Nakamoto hopes to conduct peer-to-peer direct transactions, bypassing the third party of the bank. This problem is easy to solve. Then there will be no banks. Users will issue their own currencies through a unique mechanism and trade directly with each other.

But this brings another problem. There is no bank as a reliable intermediary responsible for accounting, and users do not know each other. How to ensure that no one cheats during transactions?

For example, in the digital world, electronic files can be easily copied. 10 yuan of digital currency turns into 100 yuan by copying and pasting it with the mouse 10 times. Isn’t it a mess?

To solve this problem, we need to provide a mechanism for everyone to trust each other.

The method adopted by the Bitcoin system is to record all transaction processes openly and transparently in chronological order. These records are permanent and cannot be tampered with. This way you won't be able to do anything sneaky.

With these mechanisms, the Bitcoin system operates successfully.

This system stores data in units of data blocks, which are blocks. Approximately every 10 minutes, new blocks will be added. Each block records the detailed transaction process of Bitcoin and is timestamped. Different blocks are connected in chronological order through a certain algorithm, which is a chain.

Together, they are called "Blockchain".

In this way, the blockchain took root with the birth of Bitcoin. If Bitcoin is the star in front of the spotlight, blockchain is the hero behind the scenes responsible for providing a trust mechanism in the underlying technology.

Brand new changes in accounting methods

Although behind the scenes, the talent of blockchain was quickly discovered.

In technical terms, blockchain is a distributed ledger technology. To understand it, let’s take the simplest example.

Suppose your family keeps accounts like this: you, your father, and your mother each have an account book. You each record your own expenses, and at the end of each month you tally the total household expenses together.

But dad likes to buy cigarettes, mom likes to stock up on cosmetics, and you like to buy snacks. You may both miss a few entries intentionally or unintentionally, and sometimes make corrections in the ledger. Therefore, when checking the accounts at the end of the month, there is always a discrepancy with the actual expenditure of the family.

In order to change this situation, you bought a new account book. You, your father, and your mother jointly use a new account book to keep accounts, remind and supervise each other, and check each expenditure together.

At the same time, you also agreed that once the expenses are clearly recorded, no alteration or deletion is allowed. After trying it for a few months, you found that this joint ledger matched the actual expenses of the family much more closely.

Blockchain is the second accounting method. The little story above tells us that it has at least these major features or benefits.

First of all, it is decentralized. The database that was previously maintained by one party has become jointly maintained by multiple parties. Everyone writes data together based on consensus, and no one can control the data alone.

Secondly, it allows everyone to change from keeping separate accounts to joint accounting, which brings consistency and openness and transparency to the data.

In addition, the blockchain only allows data to be written, not deletion or modification, which prevents data from being secretly tampered with.

Mutual trust between strangers

In reality, many scenes are worse than at home.Bookkeeping is much more complicated. Moreover, many aspects of financial transactions and business processing are mostly operated by strangers. How can we make everyone trust each other?

It’s blockchain’s turn to show its talents. Don’t forget, it can provide a mechanism for everyone to trust each other from the underlying technology.

For example, when you usually go to the wet market to buy things, you may worry about whether fish, shrimp, and vegetables are safe. Some companies see business opportunities and move the data of farmers and fish ponds to the blockchain. In this way, you will know which fish pond the fish you buy comes from, and you will feel more confident when eating.

For another example, links to fundraising for seriously ill patients often appear in Moments. When making a donation, you may have some concerns: Is the patient's condition real? Can donations really be delivered to patients?

In order to eliminate these concerns, some Internet charity organizations use blockchain to allow you to clearly view the steps for using your donation. If the review finds that the patient's condition is not true, the blockchain system will automatically return the donation to your account.

In the future, what changes can blockchain bring to our lives?

It is conceivable that when blockchain is widely used in various fields of society, it will become an important infrastructure in the information age and can solve many of the headaches that currently cause us.

For example, blockchain will allow countless islands of information to be "chained" together. When seeing a doctor, there is no need to repeat the examination just because you change hospitals. Entrepreneurs do not have to go to multiple departments to go through a procedure; many transactions no longer need to be carried out. Third-party guarantees are required, consumers no longer have to worry about non-refundable deposits, and creators do not have to worry about their works being stolen but getting nothing...

What is blockchain 2

From an academic perspective, blockchain is New application models of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanisms, and encryption algorithms. Blockchain is essentially a decentralized database.

Many people still don’t understand this explanation, so let me make a simple metaphor.

Hypothetical situation: Suppose you have a ledger at home and you are asked to keep accounts. In the past, your parents gave you your salary and asked you to record it in your account book. If you are greedy and want to buy something delicious in the meantime, the record in the ledger may be less than ten yuan.

This is just an example. I believe that when we were children, everyone probably wanted to take some money from their parents’ pockets to spend.

Ways to use blockchain to solve problems:

If you use the whole family mobilization method to keep accounts, the above-mentioned problems will not exist, because you are keeping accounts, and your father They are also keeping accounts, and your mother is also keeping accounts. They can all see the general ledger. You can't change it, and neither can your parents. So your father who wants to buy cigarettes and you who want to eat have nothing to do.

Functional "blockchain"

It can not only record every transaction, but also can be programmed to record almost everything of value to mankind.things: birth and death certificates, marriage licenses, title deeds, degrees, financial accounts, medical history, insurance claims, ballots, food sources, and anything else that can be represented by a code.

Each block is like a hard disk, which saves all the above information and then encrypts it through cryptography technology. The saved information cannot be tampered with.

Every 10 minutes, the blockchain system will check all data generated during the period (such as transaction records and records of when the block was edited or created, etc.) and store these data in a new area. On the block, this block will be connected with the previous block to form a chain. Each block must contain relevant information from the previous block to be effective.

Characteristics of blockchain

1. Exceptionally safe:

Unlike centralized databases owned by companies or government agencies, blockchain is not controlled by anyone. or entity's control, data is replicated (distributed) in its entirety across multiple computers.

Unlike centralized databases, there is no single entry point for attackers, and data security is more guaranteed.

2. Non-tamperability:

Once entered into the blockchain, no information can be changed, and even the administrator cannot modify this information.

Once something appears, it cannot be changed. This attribute is of great significance to the changeable and ever-changing online world that humans currently live in.

3. Accessible:

All nodes in the network can easily access information.

4. No third party:

Because the blockchain is decentralized, it can facilitate peer-to-peer transactions, so whether you are trading or exchanging funds, there is no need for a third party of approval.

Blockchain itself is a platform.

Blockchain technology refers to a way for all people to participate in accounting. There is a database behind all systems. You can think of the database as a big ledger. Currently, each is keeping its own account.

Since there is no centralized intermediary agency, letting everything run automatically through preset programs can not only greatly reduce costs, but also improve efficiency. And since everyone has the same ledger, it can ensure that the ledger recording process is open and transparent.

Blockchain technology is the underlying technology of Bitcoin. Without the operation and management of any centralized organization, Bitcoin has been operating very stably for many years without any problems, so some people have noticed its The underlying technology abstracts the Bitcoin technology and calls it blockchain technology, or distributed ledger technology.

According to a report released by Santander, Spain’s largest bank, if all banks around the world use blockchain technology internally around 2020, they will save about 20 billion per year.USD cost. Such data is enough to illustrate the tremendous changes and breakthroughs that "blockchain" has brought to the traditional financial field.

Cloud computing is usually defined as providing dynamic, easily scalable and often virtualized resources through the Internet, but it is often a centralized organization that provides a cloud computing platform. The network composed of blockchain generally does not have a specific organization, so blockchain is closer to the definition of a distributed computing system and is a type of distributed computing.

The future development and application scenarios of blockchain

1. Digital identity

Many people will encounter "prove that my mother is me" when applying for various certificates. "Mom" dilemma, with blockchain, you no longer have to worry about it.

It turns out that our birth certificates, real estate certificates, marriage certificates, etc. need a central node for everyone to recognize them. Once cross-border, contracts and certificates may become invalid because of the lack of a global central node.

The non-tamperable nature of blockchain technology has fundamentally changed this situation. Our birth certificates, real estate certificates, and marriage certificates can all be notarized on the blockchain and become things trusted by the world. , of course, it can also easily prove "my mother is my mother".

2. Health care

Simply put, it is to use the blockchain to establish a universal record repository with timestamps, so that different databases can extract data information.

For example, when you go to see a doctor, you don’t have to change hospitals for repeated examinations, and you don’t have to worry about reimbursement for medical insurance, which can save time and expenses.

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 gets a commission from them.

The application of blockchain is to remove middlemen and create a secure, decentralized way for service providers and customers to connect and trade directly.

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 certain conditions are met, meaning that automatic payments can be released when both parties to a transaction 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 the production of the fruit farmer to the circulation link. Among them are government regulatory information, professional testing data, enterprise quality inspection data, etc. A smart supply chain will make the food we eat and the products we use every day safer and give us more peace of mind.

6. Property rights protection art

The creator puts his work on the blockchain, and if someone uses his work, he can immediately Know. Corresponding royalties are also automatically paid to the creator.

Blockchain technology not only protects copyright, but also helps creators sell their works to consumers better and more directly, without requiring the assistance of distribution companies.

What is blockchain 3

Advantages of blockchain

Decentralized, it does not require the intervention of a third party and enables point-to-point transactions, coordination and collaboration. Because the data is distributed in various nodes through algorithms and has a unique verification mechanism, no one organization or individual can control the global data. Since it is distributed in various nodes, any node stopping work will not affect the entire system. Operation, this decentralized network will greatly improve data security. The data in the system is jointly maintained by various nodes with maintenance functions.

Openness, in addition to the encryption of private information of all parties in the system, the blockchain data is open to everyone, and anyone can query the blockchain through the public interface Data and development related applications, so the entire system information is highly transparent.

Where does blockchain come in?

Blockchain is an open, transparent, decentralized and secure technology. This technological revolution is applied to the Internet. For data-sensitive fields such as medical care, public opinion supervision, and ecological testing, it can prevent data from being tampered with and ensure the authenticity of the data.

In short, blockchain is not just a way of virtual currency, its advantages will play an important role in many industry fields

5. The blockchain project TTC is Which company's project

TTC is the abbreviation of Time Treaty Chain in English. There is a branch in Shenzhen called Time Treaty Blockchain Technology (Shenzhen) Co., Ltd. Time Treaty Chain, referred to as TTC, is committed to building a decentralized open source, composite contract function chain spherical ecological platform with block identity technology as the core. The first block identity, aiming to realize the spherical block identity circulation ecology of (public chain + alliance chain + private chain) * side chain in the digital world.

6. What are the basic characteristics of blockchain?

Features:

Decentralization. Blockchain technology does not rely on additional third-party management agencies or hardware facilities, and there is no central control. In addition to the self-contained blockchain itself, each node realizes self-verification, transmission and management of information through distributed accounting and storage. Decentralization is the most prominent and essential feature of blockchain.

Openness. The foundation of blockchain technology is open source. In addition to the private information of the transaction parties being encrypted, the data of the blockchain is open to everyone. Anyone can query the blockchain data and develop related applications through the public interface. Therefore, the entire System information is highly transparent.

Independence. Based on consensus specifications and protocols (similar to various mathematical algorithms such as the hash algorithm used by Bitcoin), the entire blockchain system does not rely on other third parties, and all nodes canIt can automatically and securely verify and exchange data within the system without any human intervention.

Security. As long as you cannot control 51% of all data nodes, you cannot manipulate and modify network data at will. This makes the blockchain itself relatively safe and avoids subjective and artificial data changes.

Anonymity. Unless required by legal regulations, technically speaking, the identity information of each block node does not need to be disclosed or verified, and information transfer can be carried out anonymously.

(6) Blockchain digital identity open source extended reading:

Examples

The largest application of blockchain technology at present is The invention of digital currencies such as Bitcoin. Because the essence of payment is to "add the reduced amount in account A to account B."

If people have a public account book that records all transactions of all accounts so far, then for any account, people can calculate the amount of money it currently has. The blockchain is precisely the public account book used to achieve this purpose, which saves all transaction records. In the Bitcoin system, the Bitcoin address is equivalent to the account, and the number of Bitcoins is equivalent to the amount.

7. WeBank: The new mission of blockchain in the future is to build an ESG trusted infrastructure for the whole society

ESG is a hot topic at present. How does ESG interact with blockchain? Chain integration is also the forefront of exploration in the financial field.

On the afternoon of April 27, Ma Zhitao, Vice President of WeBank, said at the WeBank blockchain brand new launch conference that in the field of ESG, with the high-quality development of society in the future, some new The appeal plays a very critical role in how ESG is implemented.

In Ma Zhitao’s view, the first is the need for trusted data and privacy protection. Because there are many roles involved in ESG applications, the data involved may also be very sensitive. In addition, data compliance requirements are getting higher and higher, and data collection is becoming more and more difficult. Therefore, higher requirements for data privacy and data authority are required. requirements, and naturally put forward higher requirements for how technology can implement ESG applications.

The second aspect is credible collaboration and incentive mechanisms. "The application of ESG involves many different roles. Only with these mechanisms can we stimulate more public participation, recognition, and trust. Importantly, ESG will also require higher credible governance through penetrating supervision. , transparent governance, and reduced compliance and audit risks.”

Based on this, Ma Zhitao believes that many of the demands put forward by these ESG applications are actually caused by the characteristics of blockchain technology. able to satisfy. Including multi-party consensus, privacy protection, trusted verification, incentive compatibility, and full accountability, some of the characteristics of the blockchain technology itself are highly consistent with some of the needs of ESG applications.

Ma Zhitao said frankly that the new mission of the future blockchain should beIt is to build an ESG trusted infrastructure for the whole society to promote fair and sustainable development. WeBank has also continued to invest in this field.

Fan Ruibin, deputy general manager of the Distributed Business Technology Development Department of WeBank, further analyzed and pointed out that ESG is often a scenario of multi-party collaboration. In the process, it is necessary to be transparent and credible, and to protect many participants and Trusted governance, in addition, many current ESG applications are isolated and fragmented, and related information is scattered in different applications and different places. Distributed digital identity technology is needed to collect the scattered information, so as to Form a more complete information view and explore ESG applications more quickly.

"It is necessary to integrate key common technologies commonly used in the ESG field to form a richer and more flexible application framework. We hope that through these efforts, we will lay a solid technical foundation for the development of ESG." Fan Ruibin said.

In addition, Fan Ruibin believes that blockchain will have many application scenarios in ESG in the future. “In the past period of time, we can see that the entire industry attaches great importance to industrial digitalization, but has ignored ESG. This is not a healthy and sustainable development situation, so it is necessary to promote rural revitalization and carbon neutrality. , the integration of the Guangdong-Hong Kong-Macao Greater Bay Area and social public services, etc., a series of ESG applications have been implemented.”

Fan Ruibin gave an example that in the field of carbon neutrality, blockchain technology can be used, combined with a separate governance framework, To build a multi-party collaboration network and a value delivery network to encourage more individuals and companies to participate in this environmental protection and help double carbon.

In terms of rural revitalization, Fan Ruibin frankly said that blockchain technology can be used in combination with 5G Internet of Things to build a traceability platform, which can not only promote trust between consumers and agricultural products, but also promote agricultural enterprises and Trust among financial institution partners.

In addition, in terms of regional integration construction, Fan Ruibin pointed out that in terms of Greater Bay Area integration and social public services, blockchain can be used in combination with the DDTP distributed data transmission protocol, so that users Independently drive the data submission and verification mechanism to solve the legal cross-border flow of data and promote the integrated development of the Greater Bay Area. At the same time, it can promote the wider practice of personal information portability in the field of social public services.

“In order to better promote the development of ESG, Weizhong Blockchain will focus on key technical capabilities such as privacy computing, trusted governance, and distributed digital identity, and develop an ESG application framework to achieve faster and more efficient Promote the implementation of ESG-related businesses in an efficient way. Through the open source ecosystem, more forces will be connected to promote the development of ESG industry applications, and efforts will be made to cultivate blockchain + ESG compound talents." Fan Ruibin said.

Public information shows that WeBank began to deploy blockchain in 2015, and in 2016 it took the lead in launching the first domestic blockchain alliance in the financial industry - Golden Chain Alliance. In 2017, WeBank realized the independent security and controllability of blockchain technology, and made the underlying blockchain platform FISCO BCOS, which it took the lead in research and development, completely open source.

8. What does blockchain technology service look like

Blockchain can be involved in solving all aspects of our lives. Let’s briefly talk about some of the things we care about in our daily lives
:
Blockchain technology is a decentralized consensus mechanism that maintains a complete, distributed, and non-tamperable ledger database. It allows participants in the blockchain to implement a unified ledger system without establishing a trust relationship.
In the future, blockchain will be applied in any field and will have a great impact on human life. Blockchain technology is regarded as one of the main protocols for the next generation of value Internet. Blockchain technology will be useful in any area of ​​production and life that lacks trust. It can be widely used in fields ranging from digital currency to securities and financial contracts, medical treatment, games, artificial intelligence, smart contracts, Internet of Things, identity verification, asset trading, e-commerce, social communication, file storage and other fields.
Medical aspects
Using blockchain technology to save personal medical records will have personal medical historical data, which can be understood as electronic medical records on the blockchain. Data will be available for future medical treatment or health planning, and the real owner of this data is the patient himself, not the hospital or a third-party organization. In addition, these data have strong privacy, and the use of blockchain technology can also help protect patient privacy.
Payment System
Compared with the existing traditional payment system, blockchain technology can avoid complicated systems and conduct transactions directly between the two parties without involving intermediaries. Even if part of the network is paralyzed, it will not Will affect the operation of the entire system. This method is low-cost, fast, and requires no intermediate handling fees.
Banking
As a digital, secure and tamper-proof account, blockchain realizes the core function of the banking industry: a secure storage and transfer center for value. Some banks with a keen sense of smell in the world have begun to actively plan and join the blockchain research and application army, hoping to gain the initiative in the fierce competition in the future.
Blockchain Identity Authentication
Blockchain has the feature that everyone can check it. Everyone can query block information anywhere there is a network. The highly transparent feature also makes the block The chain is full of charm. In the future, ID cards and household registration books will be basically unnecessary, because every identity information can be written into the blockchain. When you need to verify information, you only need to look it up to find it.
Election
Based on voting transactions on the blockchain, it can be confirmed that no votes have been modified or deleted, and there will be no improper votes.
Real Estate
Blockchain technology can change the way the real estate market operates. It can merge many complex processes and cases that real estate companies usually deal with, speed up transaction processes, reduce fraud, and provide more transparent and secure transactions for every participant. trade. Provides a way to achieve paperless and fast transaction needs.
Securities issuance and trading
General stock and other securities transactions have a high probability of various errors, requiring manual error correction, which prolongs the time required for transaction settlement. Transactions through distributed ledgers can automate the entire process and improve security and efficiency. The identity of the transaction party, transaction volume and other information are recorded on the blockchain in real time, coupled with an open, transparent and traceable system. It is conducive to market maintenance by securities issuers and regulatory authorities, and can reduce the occurrence of black-box operations, insider trading, etc.
Blockchain has unique technical advantages, shows unique charm, and has great application imagination in scenarios where it is relatively closed, has multi-party trust issues, and carries value transfer. At the current stage, blockchain is worth exploring in some scenarios.

9. CreditEase Puhui: Promoting the normalized application of blockchain technology and empowering the development of financial technology

Recently, it was pointed out in the “14th Five-Year Plan” outline that it is necessary to comprehensively Promote innovation in blockchain technologies such as smart contracts, consensus algorithms, encryption algorithms, and distributed systems, focus on alliance chains to develop blockchain service platforms and application solutions in areas such as financial technology, supply chain management, and government services, and improve regulatory mechanisms.

It can be seen that blockchain application innovation has officially become one of the national strategies and will definitely have a significant impact on the financial industry. Under such a situation, financial institutions are accelerating blockchain-related exploration and promoting blockchain technology to play a greater role in the financial field. Next, follow CreditEase Puhui to learn about blockchain-related knowledge!

What is blockchain

Blockchain is a chained data structure that combines data blocks in a specific order in chronological order. Records of all transactions since the birth of the system are stored. The data on the blockchain is jointly maintained and stored by nodes throughout the network, and cryptography ensures that the block data cannot be tampered with or forged. So the blockchain is essentially a distributed shared database.

Blockchain is an innovative application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanisms, and encryption algorithms in the Internet era. It is an information technology solution that solves trust problems and reduces trust costs. . The application of blockchain technology can eliminate traditional trust intermediaries, subvert the old centralized model that has existed for thousands of years, solve the trust problem between strangers without the need for centralized trust intermediaries, and significantly reduce the cost of trust. Trust costs.

How does blockchain solve the pain points of supply chain finance

Supply chain finance relies on core customers, takes real trade background as the premise, uses self-reimbursement trade financing, and closes the flow of funds or controls assets through professional means such as accounts receivable pledge registration and third-party supervision. It provides comprehensive financial products and services to upstream and downstream enterprises in the supply chain.

The foundation of supply chain finance is the supply chain. The supply chain involves information flow, capital flow, logistics and business flow, and is naturally a multi-subject and multi-collaboration business model. In this case, if you want to carry out trade financing, you will first encounter many authenticity issues, such as the authenticity of the transaction and the authenticity of the documents, which require confirmation by multiple parties and consume a lot of manpower and material resources; secondly, the multiple entities involved , there is a problem of difficulty in interconnection. For example, the supply chain management system, enterprise resource management system, and even financial system used by each entity are different, making docking difficult. Even if they are connected, it will be difficult to share information due to inconsistent data formats and data dictionaries.

Characteristics of blockchain

1. Decentralization

The distributed structure of blockchain means that data is not recorded and stored in the center. Instead of using a dedicated computer or host, each node participating in the data transaction records and stores all data information. To this end, the blockchain system uses an open source, decentralized protocol to ensure complete recording and storage of data. The blockchain has built a complete set of protocol mechanisms, allowing each node in the entire network to participate in recording data while also participating in verifying the correctness of the recording results of other nodes. Only when most nodes (or even all nodes) in the entire network confirm the correctness of the record will the data be written into the block. In the distributed structure network system of the blockchain, the network nodes participating in the recording will update and store all data in the entire network system in real time. Therefore, even if some nodes are attacked or destroyed, the data update and storage of this system will not be affected.

2. Unforgeable

The principle of blockchain recording requires all nodes participating in the recording to jointly verify the correctness of the transaction record. Since all nodes are recording every transaction in the entire network, once the information recorded by a node does not match that of other nodes, other nodes will not recognize the record, and the record will not be written into the block.

3. Non-tampering

It is almost impossible to change a certain block and the transaction information within the block. If this block is changed, every subsequent block will be changed. Therefore, anyone trying to tamper with the data must simultaneously invade at least 51% of the nodes participating in the global record and tamper with the data.

Mathematical encryption

Each transaction requires a valid signature before it will be stored in the block. only valid numberskey to generate a valid signature. Keys come in pairs and consist of a private key and a public key. Among them, the public key is public, and the private key is only visible and used by the owner, and is used for transaction signatures to prove digital identity.

What are the advantages of introducing blockchain?

First, to solve the problem of information islands, multiple stakeholders can set rules in advance to accelerate data interoperability and information sharing;

Second, according to property rights law , Electronic Contract Law, Electronic Signature Law, etc., the accounts receivable certificates of core enterprises can be converted into transferable and bankable confirmation certificates through the blockchain, so that the credit of core enterprises can be transmitted along trusted trade links. Based on mutual confirmation, the entire certificate can derive various operations such as splitting and traceability;

Third, provide credible trade data, such as providing an online basis under the blockchain architecture Tightly structured and complete records of contracts, documents, payments, etc. improve information transparency and achieve penetrable supervision;

Fourth, achieve cost reduction and efficiency improvement. After the credit of the core enterprise is transferred, small and medium-sized enterprises can use the credit line of the core enterprise to reduce financing costs and improve financing efficiency;

Fifth, realize smart liquidation of contracts. Automatic clearing and settlement based on smart contracts reduces manual intervention, reduces operational risks, and ensures the safety of repayment.

CreditEase Puhui believes that blockchain supports commercial applications with high performance, high scalability, and high security, provides financial technology companies with multi-level data security and privacy protection, and supports automatic monitoring and failure Alerts help track all transactions that occur in the system and contribute to the healthy and orderly development of the financial technology industry.