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❶ How to define blockchain and what are the application scenarios of blockchain?

Many people now think that blockchain is a universal technology that can do anything. Make blockchain technology a myth!
Regarding the definition of blockchain technology, American scholar Melanie Swann defined blockchain technology as an open, transparent and decentralized technology in her book "Blockchain: A New Economic Blueprint and Introduction" database.

Definition of Blockchain: Narrow VS Broad

As for the application scenarios of blockchain technology, it is natural to combine the differences between blockchain and other technologies. In terms of system characteristics.

Blockchain technology features include:

Blockchain is a global A database storage system that can be operated collaboratively in various places is different from traditional database operations where read and write permissions are in the hands of a company or a centralized authority (a characteristic of centralization). Blockchain believes that anyone with the ability to set up a server can participate. Nuggets from all over the world have deployed their own servers locally and connected to the blockchain network to become a node in this distributed database storage system; once joined, the node enjoys exactly the same rights as all other nodes and obligations (decentralized, distributed characteristics).

At the same time, people who provide services on the blockchain can perform read and write operations on any node in the system. In the end, all nodes around the world will complete the process again and again according to a certain mechanism. Synchronize in sequence to achieve complete consistency of data in all nodes in the blockchain network.

At the beginning of this year, the term blockchain began to enter everyone’s lives. From national leaders to aunts who dance square dances, everyone knows this term. This term is widely known by Bit Brought by coins.

As we all know, the first few dozen bitcoins could only be exchanged for one pizza. At its peak, it was more than 20,000 US dollars each, which has skyrocketed by more than a thousand times, which has also benefited a large number of wealthy people. Currently, there are blockchain The virtual currency generated by technology is gradually entering into everyone's life, and many people have joined the ranks of currency speculation. I often hear people say that if you buy the right currency a hundred times, a bicycle will become a sports car, and one coin will turn a young model. You can imagine how many of them are involved. Attractive.

Since 2008, various games applying blockchain technology have also become popular, such as development games (Network Letts Dog, 360 Block Cat), mining games (NetEase Planet, Virtual Earth, Gongxinbao), these are attracting everyone to join in the name of blockchain, and of course there are some that are really reliable, which requires everyone to identify them carefully.

The three words "blockchain" were completely ignited during the Spring Festival that just passed, and the limelight overshadowed everything. Some people said that this is the arrival of a new era, and the past has become ancient.Of course, some people say that everything is just hype and is ultimately a bubble.

In fact, blockchain technology is not a new concept. It has been applied to many industries, such as electronic signatures, as early as the past two years. Recently, the third-party electronic signature platform eShanbao revealed the latest progress of blockchain applications to NewSeed.

Currently, blockchain technology is mainly used in e-signing products for certificate deposit and certificate issuance. The application scenarios include copyright protection and online signing. , web page forensics, phone recording, email storage of evidence, etc.

Take the rights protection of online works as an example. Since online rights protection generally adopts the method of collecting evidence after the fact, real-time confirmation of rights is not carried out in the process of evidence generation, so the entire confirmation process is difficult. The copyright process is time-consuming, difficult and costly to obtain evidence, and extremely difficult to prove and trace the source. It cannot meet the characteristics of rapid dissemination and large quantity of online works.

eShanbao's new intellectual property protection solution based on timestamp + blockchain starts from the user's real-name authentication and solidifies the information generated in the process in real time. Electronic data, and through the time source service synchronized with the National Time Service Center, online works are stamped with legally valid timestamps to prove that electronic files have not been tampered with in a certain period of time. Blockchain technology can establish point-to-point trust in the network, ensuring that all blockchain nodes can record complete copyright confirmation and transaction records, and can trace their origins, truly realizing anti-repudiation and anti-tampering, and realizing a kind of distribution. trust infrastructure.

Founder and CEO Jin Hongzhou believes that the application of decentralized blockchain technology has greatly improved the efficiency of data storage and certification, and The credibility of the identity of the parties reduces the cost of trust, but it cannot replace the original centralized public key encryption technology. The two should complement each other. Through the combination of the two, it can provide users with real-time and reliable Confirmation plan.

Next, e-Shanbao will also focus on building a smart contract platform based on blockchain technology. Jin Hongzhou said that data storage, Issuing certificates is only a relatively superficial application based on blockchain technology. It is the first step to implement blockchain technology, and the realization of real smart contracts is the second step. "Smart contracts cannot simply be understood as electronic contracts. They refer to a process, from the conclusion of the contract to the confirmation to the final execution." Jin Hongzhou explained.

Through the following limited cases, I hope everyone can understand the actual performance of blockchain technology, thereby stimulating interest in such solutions.

1. Administrative Services

The role and responsibilities of public administration over the centuriesWhat has not changed significantly – or rather, what has changed dramatically is actually the scale of the data and the specific ways in which public agencies handle it. Although various digital technologies already exist to help collect and process data, issues such as anonymization, portability, and the immutability of large amounts of data remain unresolved.

Sasha Ivanov, founder, entrepreneur and CEO of Waves Platform and Vostok projects, said, "What the public administration currently lacks is a more convenient user experience (UX) for data use. To improve the user experience , we should introduce some kind of layer to it that acts as a trusted public environment that is transparent and can store data anonymously and immutably."

Governments are working on this by launching the U.S. Federal agency and enterprise-level initiatives such as the Federal Blockchain Initiative are gradually confronting the existence of such problems. The United States held its first federal government blockchain forum in July 2017, and the U.S. General Services Administration currently has more than 200 related use case repositories. Ivanov explained, “Distributed systems can really help us build such a reliable environment, improve our big data work, and even integrate all emerging technologies – including artificial intelligence and the Internet of Things. In fact, , whenever we face any kind of technology, it always embodies the sum of certain other technologies."

Now, the system supported by the blockchain can actually work - this This view has been unanimously recognized by all experts and has become the most important theoretical basis. In other words, what we need to do next is create more production-ready solutions.

2. Payment services

The government needs to process transactions, many of which involve the exchange of funds with citizens. Blockchain technology has huge potential application value in reducing the cost of fund transfers - including using new blockchain-based cryptocurrencies as intermediate transaction carriers, or using blockchain as a means of fund transfer, etc. Once a perfect solution is discovered, the business opportunities will be endless - especially for those who need to conduct frequent cross-border or Internet transactions.

The Jasper project was developed by the Bank of Canada to help it further think about how central banks and other financial institutions should implement payment operations between different banks based on distributed ledgers. The Bank of Canada has also developed its own digital currency variant, “CAD Coin,” to test the feasibility of using a national currency on top of the blockchain.

This project brings to an interesting conclusion that we should say no to proof-of-work public chain systems. In a paper titled "Project Jasper: Is a Distributed Bulk Payment System Feasible?" the author observes that "Proof-of-work systems are not suitable for such large transaction processing systems because they assume that all transactions in the systemYidu requires openness and observability to a certain extent. ”

3. Digitization and Intellectual Property

The government is responsible for maintaining copyright records and databases. These records prove the ownership of intellectual property. A blockchain-based system allows various artists, Performers and writers can time-stamp their works and theoretically detect copyright infringements and even retain permanent records of rights. In fact, many governments have taken important exploratory steps in this direction.

Iran recently announced that it will deploy this technology. "Iran Financial Tribune" quoted Morteza Mousavian as saying that "the Digital Media Department of the Ministry of Culture has reached an agreement with a blockchain company to jointly design a usable A system for protecting online copyright. "He also added, "Relevant programs will soon be released to users in an easy-to-use manner. ”

This work is still in the early stages of exploration, but it provides corporate customers with the possibility of preserving records through replication technology. From a theoretical level, companies can use blockchain solutions for financial accounting, And discover the errors in real time.

4. Welfare distribution

The government has the responsibility to create a level playing field for citizens. Citizens who are chronically poor or economically disadvantaged certainly Government support and assistance is needed to ensure that they are able to maintain their lives and acquire the ability to continue to develop. However, welfare distribution is neither simple nor often straightforward. Problems such as corruption and imposters have been seriously undermining government programs. Various distribution channels.

In China, the National Council of Social Security Fund is conducting early research on how to use blockchain technology to improve the delivery of national benefits to citizens. At the same time, India is also taking action , Andhra Pradesh and Telangana are already using blockchain to support their civilian resource supply systems.

It is said that many companies, including Microsoft, are also considering using the same technology. These solutions, which will touch individual employees and functional roles, are expected to gradually appear in small businesses in the near future.

5. Tendering activities

In order to build public infrastructure or provide For related services, governments hope to achieve economies of scale and competitive gains through tendering as much as possible. However, the tendering process is often not fair or transparent. Public procurement has long been a major scene of rampant corruption around the world. Transparency International pointed out, “Many governments will award project contracts to one supplier in the absence of fair competition. This allows companies with greater political resources to unfairly outcompete competitors; or companies in the same industry negotiate bids in advance to ensure that each company gets a piece of the tender pie. This will significantly increase the cost of delivering services to the publicBen - We found that corruption issues can increase project costs by 50%. ”

So, how can blockchain technology solve the bidding problem? According to Ivanov, “Unlike decentralized centralized systems, independent ledgers powered by blockchain will be able to improve bidding or Transparency of any other financial processes that need to be tracked. The intervention of blockchain technology will help track the use of funds and ensure that they are paid out as expected and within the allowed time. ”

Currently, Japan’s Ministry of Interior and Communications has announced a blockchain-based bidding system, which means that in industries with serious collusion problems, small and medium-sized enterprises are expected to usher in a more transparent bidding method and Brighter development prospects.

Although quite a few of the cases mentioned previously are far from finalized, they do provide many possibilities for enterprises and governments. Of course, the key lies in implementation; and we All this should also be viewed with optimism, that is, although blockchain technology is often misunderstood by people, it is and will eventually find a direction in which it can exert its own energy!

In layman's terms, blockchain is like There are more than a dozen beacon towers on the Great Wall. If an enemy comes at one place, they will send out smoke. The other beacon towers will know about it and enter a defensive state together. In technical language, it is a distributed ledger, and each node will keep accounts separately. The failure of a single node will not affect the entire network.

How is this distributed network different from the distributed servers of Google Network? Google Network and others The distributed servers still belong to the Google network and are controlled by their central scheduling algorithm. The distributed nodes in the blockchain do not know each other and have no legal affiliation. If you want to go offline and shut down That's fine, but because of the currency rewards, there will always be people who will start up as new nodes to support this network.

After the popular and technical explanation, I hope You already understand. Then the first application scenario is finance. I put the money in Alipay. If Alipay doesn't recognize it one day, there is nothing you can do. But on the blockchain, it is useless if a node does not recognize it. Because other nodes still have my records. The second one is the contract. Nowadays, contracts are signed on paper, which is easy to forge, but it cannot be forged if it is placed on the blockchain.

There are more application scenarios. It is recommended to check the top 100 digital Huobi online to understand the corresponding projects behind them and become a blockchain expert.

Area Blockchain technology was first used in Bitcoin. Blockchain provides a reliable and credible means of organizing data for cross-subject business scenarios. JD.com is essentially a supply chain company, and blockchain technology will first be used in the supply chain in many scenarios.

Blockchain is a decentralized technology. At present, all InternetBlockchain can be applied to all products that can be covered.

The most popular application industry at present is the financial industry.

An application that has been implemented is product traceability. Alibaba and JD.com are already using blockchain technology to fully trace the origin of some of the products they sell. Consumers can trace the origin of the purchased products. There are also many blockchain applications in the digital advertising industry. Since traffic fraud in digital advertising causes losses of tens of billions of dollars every year, there are already blockchain application projects based on digital advertising, such as DCAD, which is based on blockchain. The digital advertising application of blockchain technology mainly solves the problem of traffic fraud

In the future, as the application of blockchain technology becomes more mature, it will be applied in many industries, creating a new ecosystem based on technological trust. Mode

The characteristics of blockchain are distributed accounting and decentralization, but the ultimate goal is to make people get along more equally. Technology is meaningful only when it serves human values, and technology that meets human value needs will develop. Therefore, blockchain is in line with human pursuit of freedom and equality, so its trend to become mainstream is unstoppable.

Currently, there are many blockchain gimmicks, which are basically used to issue coins. The newly launched ono is a decentralized, free and global social platform. Due to decentralization, your chat communication information is peer-to-peer and cannot be viewed by others. In other words, your every word and deed will no longer be recorded and reviewed at any time like it is now on WeChat, QQ, and Facebook, freeing you from the trouble of surveillance.

In fact, blockchain technology can be used in any field. Information that previously required third-party confirmation can be completed online and confirmed at multiple nodes, making it difficult (almost impossible) to delete.

At present, blockchain is still in its infancy, and the technology is not mature enough, but it is also a better time to enter.

What is blockchain

If you use non-technical terms to explain blockchain, blockchain is a place where data is stored. However, the data stored in the blockchain is safe and reliable and does not need to be managed by anyone, so In the Internet, a place where data and information are exploding, having such a place would be like a magical treasure.

What can the blockchain do?

If you ask what the blockchain can do, it is better to say what applications require the use of the blockchain. As mentioned earlier, blockchain is a safe place, so wherever data needs to be protected securely on the Internet, blockchain technology needs to be used. For example:

Because the use of blockchain technology can better protect the data of policyholders, in today’s Internet, data is value and wealth, so value protection and value transmission are the future development directions of the Internet. And blockchain technology can really do just that.

If there are any deficiencies, you are welcome to comment and correct me.

In a narrow sense, blockchain is a chain data structure that combines data blocks in a sequential manner in chronological order, and is cryptographically guaranteed to be non-tamperable and non-forgeable. Ledger.

The two parties involved in the transaction do not need to know who the other party is, nor do they need a third party for trust endorsement. They only need to trust a common algorithm to establish mutual trust and conduct direct transactions.

Its characteristics are trustlessness and decentralization. The destruction of each node's ledger has no impact on the entire blockchain. The blockchain runs point-to-point payments without a center that may cheat, and the security is greatly improved. Improved, the entire transaction network has changed from a star structure to a point-to-point P2P structure.

In the future, blockchain will be used in many fields and will have a great impact on human life. . It can be widely used in fields ranging from digital currency to securities and financial contracts, medical care, games, artificial intelligence, smart contracts, Internet of Things, e-commerce, file storage and other fields.

1. Cloud storage

This is the statistics of current cloud storage on the Internet. In terms of volume, Google has the largest volume, which is 8,000PB. So what if we share the idle data on the Internet?

Starlight Cloud builds a blockchain data computing and storage lake through Starlight Chain, with a total storage capacity of 15,000P (approximately 15.72864 billion G) in the future. This will be more than 10 times that of Alibaba Cloud's 1500PB! It is also more than four times the size of the Taizhou Storage Center, the largest storage lake in the world after expansion.

2. Medical aspects

Using blockchain technology to save personal medical records also retains personal medical historical data, which can be used when seeing a doctor or planning for your own health in the future. Historical data can be called directly. These data are highly private, and the use of blockchain technology also helps protect patient privacy.

❷ How to promote current blockchain games

1. Group explosion

The so-called group explosion means Continuously publish news about your game in various social groups, with access links. This is the stupidest method, but in fact, it is also the most effective. According to reports from multiple teams, their earliest source of traffic is recruiting people through the community.

The operation of group bombing is very simple, as long as you have the ability to execute it tirelessly and a thick enough skin. But there are also some tips and precautions that can help the group bombing be more effective.

2. Brush the rankings

Brushing the rankings is a very important method for early mobile game promotion, and it can also be used in blockchain games. However, there is a big difference in the specific operations.

The reason why mobile games hit the charts is becauseBecause many users will decide which games to download through the list, it is a huge source of traffic. However, there is currently no such influential list in the blockchain field. The only well-known one currently is dappradar.com. This list counts the current popularity of various applications on Ethereum and has a certain degree of popularity and popularity in the industry. Reference value.

3. Soft articles

Soft articles are really a very old marketing method, so much so that they are increasingly ignored in the marketing system. But it can exist for a long time, which shows that its effect is still there. Especially in the initial stage of blockchain games, a good soft article is likely to bring surprises.

4. Navigation website

There are already navigation websites for blockchain games. As far as I know, there are two, one is NetEase The game channel’s blockchain game column collects all chains; the other is a personal website py178.com, which only collects games in the LinkToken ecosystem. It is not yet known how effective the traffic diversion of these navigation stations is, but if the cost is not high, you can give it a try.

As for how to promote current blockchain games, the editor of Qingteng will share with you here. If you have a strong interest in game modeling, I hope this article can help you. If you want to know more about game modeling skills and materials, you can click on other articles on this site to learn.

❸ How to apply blockchain technology to actual scenarios

Recently, 18 departments and units including the Central Cyberspace Administration of China, the Central Propaganda Department, and the General Office of the State Council jointly issued the "About Organization "Notice on Applying for Blockchain Innovation Application Pilot" (hereinafter referred to as the "Notice"), announced that it will organize and carry out national blockchain innovation application pilot actions in 16 fields in four categories: the real economy, social governance, people's livelihood services, and financial technology.
The "Notice" clarifies that by the end of 2023, a number of replicable and generalizable typical cases and practice experiences of blockchain innovative applications will be formed to further leverage the role of blockchain in promoting data sharing, optimizing business processes, and reducing operating costs. , improve collaborative efficiency, build a trustworthy system, etc., and help build a network power and digital China.
Blockchain is a product of the digital economy era. Since the 18th collective study session of the Political Bureau of the CPC Central Committee on October 24, 2019, it was emphasized that “blockchain should be used as a core technology and an important breakthrough for independent innovation to accelerate the development of blockchain technology and industrial innovation.” In the past two years, my country's blockchain industry has ushered in rapid development.
Ebaoquan is one of the first domestic companies to maturely apply blockchain technology to various industrial fields. It is also one of the 2018 Industrial Internet (the only blockchain) demonstration project of the Ministry of Industry and Information Technology and the 2019 National Cyberspace Administration of China (first batch). Blockchain registration enterprise, and was selected as a typical Chinese blockchain technology innovation enterprise in 2019 and 2020 and won the 2020 Global Blockchain Award.The second prize for innovative application in the competition, the blockchain qualification and strength are highly recognized.
Since 2014, Yibaoquan has been deeply involved in the research and development and application innovation of the underlying technology of blockchain, pioneering the "blockchain + judicial + application" model and launching the "preservation chain" in the field of electronic data storage. , "Junzizi" in the field of electronic signing, "Zhongzhengbao" in the field of Internet justice, "Micro Copyright" in the field of intellectual property protection and many other well-known brands.
Based on the underlying technology of blockchain and combined with independent invention patents, Yibaoquan has established an alliance blockchain "Preservation Chain Open Platform" in conjunction with notary offices, judicial appraisal institutes, arbitration committees, courts, copyright protection centers, Ministry of Industry and Information Technology and other authoritative institutions. , ensuring that electronic data will be synchronously stored on the blockchain to 20+ authoritative organization nodes as soon as it is generated, and the content will be solidified instantly. This ensures that every node on the chain can realize real-time interoperability of data information, and the stored data cannot be tampered with.

❹ How to apply blockchain technology to actual scenarios

Blockchain is divided into public chain and private chain, but in fact, the concepts of public chain and permissioned chain are used to distinguish more suitable.

Everyone can join the public chain. In order to attract more people to join, it also has a certain incentive mechanism. This incentive mechanism is based on the consensus algorithm of the blockchain and uses Bitcoin as the unit of account. In order to make incentives more effective, methods such as anchoring to legal currency are usually adopted to make the accounting unit valuable. As time goes by, a certain degree of credibility has been accumulated, and businesses such as certificate storage and payment can be performed on the public chain.

Permissioned chains include what are commonly known as private chains and consortium chains.

It is more appropriate to use "proprietary chain" to refer to "private chain". Proprietary chains are usually used within a large company or group. In many-to-many reporting systems and reconciliation systems, management costs are very high. Using blockchain technology to achieve information sharing and more effective supervision can greatly reduce costs and improve efficiency.

A consortium chain is often a blockchain jointly constructed by several enterprises. These enterprises are already related, either upstream and downstream, Party A and Party B, or horizontal interconnection cooperation. In order to reduce costs and improve efficiency, using blockchain technology.

To a certain extent, the consortium chain and the proprietary chain are essentially the same. Both require participants to obtain technical permission to join, and all parties are also restricted, so they are called Permission chain. Because there is a correlation in the original economic activities, there is no need for an incentive mechanism on the blockchain, and tokens may not necessarily be generated in actual applications.

2. How to protect privacy on the blockchain where information is disclosed?

In the application of blockchain, information is transparent and shared, so how to solve the problem of privacy protection? How to deal with the relationship between supervision, checks and balances and privacy protection?

In fact, the sharing of information on the blockchain is selective sharing, and transparency is also limited transparency.Not all data will be written to the blockchain, only those that require supervision and sharing. In addition, not all data that has been written to the blockchain is transparent. Those opaque data may require authorization to see. These are achieved through encryption means.

3. How to ensure processing efficiency while data is growing rapidly?

With the growth of data, the database is getting larger and larger, which not only increases the storage burden, but also affects the processing effect at any time. How to deal with the contradiction between efficiency and data growth is a matter of great concern to people. .

And because there are many parties involved in the blockchain, some people may think that its data processing efficiency must be lower than that of a centralized network.

In fact, this depends on actual needs. In most cases, blockchain can meet efficiency needs.

The two major links that affect processing efficiency are the verification mechanism, which verifies the authenticity of each packaged block; and the second is the consensus algorithm. This second step takes the most time.

For permissioned chains, there are many ways to improve efficiency. For example, the POW algorithm is not used in the verification mechanism, but the verification pool algorithm is used. Which data is written to the blockchain, which data is transparent, and which is supervised can all be determined based on the actual situation.

4. Real application requirements of blockchain.

In various current discussions, people have imagined various blockchain application needs. But many of them are not real needs.

Whether a blockchain application demand is real or not, it is easy to judge whether the blockchain application solves actual problems - whether it can reduce costs and improve efficiency, rather than for the sake of application. Blockchain and application of blockchain.

According to customer feedback, in the actual application of blockchain, the most important thing is security and controllability - consensus algorithm, hierarchical authorization, and joint signature can only be applied under the premise of controllability. A further requirement is to be able to perform high-performance processing, including transaction processing efficiency and read efficiency of storage structures. The third is private key and privacy management. It is of course necessary to have both transparent supervision and privacy protection. The fourth is the built-in simple contract. The reason why it is a simple contract rather than a smart contract is also due to controllability considerations. As intelligence increases, controllability will inevitably decrease. Finally, scalability means supporting multiple types of transactions and certificates, supporting massive data and large-scale users. For a better user experience, there must also be fast development and visualization tools, which is essential for the popularization of blockchain applications. is very critical.

❺ How to apply blockchain in the field of digital advertising

Blockchain has now become a highly exposed hot word, and some even believe that this technology will affect all walks of life around the world. bring about huge changes. So, its impact on the digital out-of-home advertising (DOOH) industryWhat are the impacts?

Rob Thomas, director of inbound marketing at OpenMedia, gives some perspective:

DOOH and location-based advertising

The outdoor industry is undergoing a micro-revolution. Static and regular banners are no longer enough to attract a loyal and lasting consumer base. In an increasingly digital and internet-driven world, brands are preparing to take the next step in creating outdoor advertising strategies that are not only eye-catching, but also accessible, engaging and impactful.

What is certain is that blockchain has the potential to revolutionize the digital outdoor media industry. Blockchain can enable brands to gain big data insights about their customer base by facilitating and encouraging consumers to interact with their digital location-based ads (e.g., taking photos and sharing them on social media) in exchange for customer rewards. The process is called tokenization.

Leveraging location-based data can have a significant impact on digital out-of-home media. Fundamentally, allowing brands to tailor their ads to specific audiences at specific times and with specific goals really works.

Smart Contracts, Tags, and Outdoor Advertising

Essentially, blockchain is a decentralized record-keeping technology that can be used without the need for a centralized third-party administrator. Facilitate secure and transparent peer-to-peer financial transactions. It is also known as cryptocurrency.

This technology is expected to have an output value of US$175 billion by 2025. In the field of digital out-of-home media, one of the most attractive possibilities is that blockchain can enable the formation of mutually beneficial logos between brands and consumers.

For example, imagine a digital display that drives users to interact with it through taking photos and social media sharing in exchange for a fixed amount of digital (crypto) store credit. In return, this will allow brands to create micro-branded ads, which will provide them with specific and valuable data about their consumer demographics.

This formal marking between enterprises and consumers can be implemented through smart contracts. A smart contract in its simplest definition refers to a piece of computer code that controls future transactions between parties on the blockchain when triggered under specific conditions. For example, a triggering event could be when a consumer engages in an outdoor ad by sharing a photo on their social media. This, in turn, can trigger spontaneous contract execution and store crypto credit rewards from advertised brands will be seamless and transparent.

In addition, consumers can be sure that their information is secure because distributed ledger technology has strong encryption capabilities. As the name suggests, each transaction represents a "block" and all blocks are connected to the next creation chain. Since this chain is distributed to every peer in the network and is not under the control of a central administrator, it is difficult for any hacker or third party to interfere with the data.

There is no doubt that the future of digital out-of-home media is exciting.

As a leader in digital outdoor media, Aoqing Siling is also actively deploying blockchain-relatedbusiness, hoping that through blockchain technology, the digital outdoor ecosystem can be made transparent, reduce advertising fraud, and improve the effectiveness of reaching target groups. In the further future, with the deepening of blockchain and artificial intelligence technology, the overall ecological model of outdoor advertising may be subverted. Quanque is working hard to enhance the interests of advertisers, media, and users.

❻ Blockchain application scenarios-KYC

The use of blockchain technology can greatly change the existing KYC certification process and effectively isolate data islands between companies and institutions. Connected, it can effectively reduce the cost of KYC and meet multiple regulatory needs.

In this era of rapid development, where jobs, locations, and business services change frequently, KYC has become an indispensable part of many banks, insurance companies, and other commercial activities. The current KYC standard process once largely met the requirements of business and regulatory authorities. However, with the development of technology and policy trends, the KYC process is becoming more and more complex and the cost is getting higher and higher.

KYC for a company is obviously much more complicated than for an individual. It also includes various complex ownership structures, business scope, upstream and downstream enterprises, company size, main decision-makers, etc. In addition to understanding the company and personal background, KYC also requires continuous monitoring of customers’ daily transaction size, frequency, destinations, etc. for compliance and anti-money laundering purposes.

Current KYC standard process

(1) Obtaining personal information: Customers submit private information such as name, address, health status, etc. upon request.
(2) Review of personal information: Institutions need to conduct detailed reviews to verify the accuracy of identity information submitted by customers.
(3) Storing personal information: Organizations store data, but the system may be attacked.
(4) Monitor changes and update.

The regulatory environment in which banks, financial institutions and other regulated institutions in various countries currently operate is extremely complex. Regulatory regulations vary from country to country, and there is a lack of unified standards, and regulatory pressure is only increasing. Therefore, the time cost and economic cost of KYC for various institutions are getting higher and higher.
The current compliance environment is inherently complex. Each institution has different understandings of compliance requirements and compliance measures taken. The data sources used when performing KYC procedures and their complexity are also different. This is This is partly because each individual’s risk profile is different. Regulators, given the risk-based approach promoted by anti-money laundering, are reluctant to specify what is required, leaving financial institutions divided over their understanding of compliance requirements. If KYC regulations and procedures can be standardized, the entire financial industry can benefit, which is an urgent expectation from all parties.

Digitization means that it is no longer difficult to obtain data. For example, information such as the names of senior managers of listed companies, the place of registration of institutions, company addresses and other information can be easily obtained. Of course, there are also some data that are difficult to obtain, such as ultimate beneficiary party (UBO) information. However, easy access to data does not mean that it will not cause difficulties in the KYC process. We still need to deal with various challenges brought by data, such as identifying which data is more reliable, which data is the most timely, and how to transform data into useful information.
In addition, if financial institutions fail to obtain and use relevant data, it is likely to trigger regulatory actions. For example, if a financial institution has access to relevant data, it should analyze this information when conducting risk assessments of end customers.

4. Blockchain solutions

Establish a trustworthy workflow to implement the KYC process. Allowing participants to effectively use existing relationships and necessary data to create a secure "network of trust" without leaking sensitive data. The "network of trust" in turn reduces operating costs and enables a smoother, faster user experience.

(1) Access to personal information: Private documents are selectively shared by customers with a trusted regulatory agency, government entity or authorized partner.
(2) Review personal information: Trusted reviewers review and verify the authenticity of documents.
Generate a digital signature and then notarize it to the blockchain network.
(3) Token: Generate an encrypted token for the customer, which can be used to verify the authenticity of the signature and document of the trusted party, thereby verifying the validity of each step of the KYC process. .
(4) Continuously updated.
When some documents become outdated or invalid, a workflow is introduced and updates are timestamped into the blockchain to prove the validity of these documents through a trusted node.

❼ If you want to promote overseas blockchain, what should you do?

If you want to promote overseas blockchain, what should you do?

You can consider looking for BoZhan for overseas communication.

If you want to do blockchain advertising and promotion, is there any precision marketing platform?

You can consider Xiacheng Outer Circle, which has a dedicated blockchain industry promotion solution, integrating more than 10 types of media relations resources with more than 300W, and it is said to be good at precise advertising.

Why does funsworld launch blockchain K assets?

Because blockchain has three major advantages: openness and transparency, collective maintenance, and reliable database, it has broad prospects and huge market potential, so they launched this electronic currency.

How to learn blockchain

Blockchain has become crazy, but you know nothing about it!

Blockchain is a decentralized database system participated by different nodes and an open ledger system.

It consists of a series of data blocks or data packets generated according to cryptographic methods, that is, blocks. The data information of each block is automatically stamped. Timestamp, thereby calculating a data encryption value, that is, hash value (hash).

Why does Panyubao launch the blockchain delivery function?

It should be for a better user experience

How to play foreign exchange when blockchain comes

How to play it specifically, Tiger Foreign Exchange has done a good job in this aspect of the industry

How to prevent counterfeiting in blockchain ? How to spot fakes?

They will record the production information, logistics information, sales information and other data of the product. It is equivalent to a person having an ID card, but this ID card is a code. After entering, you can see very complete information. Even your "parents" know your net worth and name, and they can't change it! With this kind of blockchain for anti-counterfeiting and traceability, even the labor cost of printing is saved.

After reading the previous content of Blockchain Three Plus One, what are the ways to promote blockchain?

From traditional promotion to offline and online methods, it mainly describes the different methods of promotion in entities and on the Internet. The main promotion of blockchain is through e-commerce online promotion channels (database marketing, social media marketing, online advertising, mobile clients, distribution platforms, search engine marketing, resource cooperation marketing, classified information, etc.). The models are always changing, but they remain the same. Regardless of the promotion channels, they all serve a common goal: profit.
The above are purely personal thoughts.

Blockchain, what kind of project is it? How to do it?

I have been studying blockchain for a long time and have learned about several projects. You can discuss it.

How to learn blockchain

Take two steps, the first step is to determine the direction, and the second step is to determine the details. . There are several directions: I'm just a novice who wants to know what it is.

I want to work in the blockchain industry, doing development, operations, products, and even blockchain entrepreneurship.

The details of each direction are purple:

Direction 1

I want to understand what the blockchain is and what the various coins do.

Let’s start with Bitcoin. Here we recommend "Bitcoin" edited by Li Jun, Chang Chai, etc., which can help you understand the consensus wisdom behind Bitcoin, the principle of decentralization, the history of Bitcoin, etc. Next, let’s research various currencies. The larger domestic chains include QTUM and NEO, and the larger foreign chains include EOS, ETH, etc. Go study their white paper, team, history, itter, telegram group and other places where you can get in touch.

At the same time, you also need a reliableA place to read market trends, exchange ideas, and read articles. Here are some commonly used apps recommended. For example, the commonly used APP blockfolio for checking prices; for checking information, block information, news, and even finding a place to brag, you can use the Baweiyuan APP; for currency information, you can refer to the Feixiao APP, which has a lot of content. Among them, Ba Weiyuan APP is the one I use most because its news is reliable and will not be faked.

Direction 2

Blockchain industry

As far as I know, most of the current practitioners in the blockchain industry have transferred from finance or computer majors. If you are a college student and want to work in the blockchain industry, you may consider majoring in finance or the computer industry. If you are already working and want to join the blockchain industry, then you need to learn the following content. This book "Blockchain: From Digital Currency to Credit Society" by Chang Chai and Han Feng will introduce you to the basic knowledge of blockchain. "Blockchain Technology Guide" can help you deepen your understanding of blockchain technology. "Blockchain Revolution" can take you into a revolution that is about to happen. Overall, there is a lot to learn.

❽ What are the common ways to promote blockchain

There are many ways to promote the blockchain, such as WeChat groups, community media marketing, community marketing, various professional websites, and APPs They all have it. Qubu’s blockchain promotion is pretty good. You can learn a lot about blockchain in Golden Finance. If you want to learn more about it faster, it’s better. Suggestions for promotion methods: Start with [Digital Currency] to learn more and faster.

❾ What are the application examples of blockchain technology

The express logistics industry is an industry that is very suitable for the application of blockchain technology.

In fact, the logistics ecosystem is relatively complex and there are many groups involved in the process.

The industry itself is a complex of segments with the concept of "flow". Starting from the initial "business flow", it gradually gave birth to "logistics", as well as the corresponding support of "capital flow" and "information flow" , complete the service chain.

There is a key issue behind the emergence of various "flows", which is the transfer of commodity ownership.

Coincidentally, many of the types of problems solved by blockchain technology are related to the trust friction generated during the transfer of asset ownership.

The application of blockchain technology can significantly improve the processing speed and efficiency of settlement business in the express logistics industry, effectively solve the problem of traceability and anti-counterfeiting of items, and fully ensure information security and the privacy of senders and recipients.

In the field of promoting application in the express logistics industry, there are domestic blockchain companies doing applications in this area, such as Walton Chain.

Last year, Waltonchain reached a strategic cooperation with Huodou (Xiamen) Technology Co., Ltd., using Waltonchain’s “RFID blockchain” technology solution to help it improve its logistics solutions and move goods to Dou puts data on the chain in all aspects of its logistics turnover, such as enteringAfter the reading and writing system is deployed at key nodes such as warehouse delivery and delivery, when the object passes through any link, the relevant data can be read by the RFID reader and the corresponding behavior is converted into data and uploaded to the blockchain. , users can trace the entire logistics process with one click.

Four business scenarios that can be implemented in the real environment are suitable for the application of blockchain technology.

Scenario 1: Insured express delivery

Revolving around the insured scenario, express companies transport goods, insurance companies provide guaranteed goods, merchants provide goods sales, sellers purchase insured services, and the government regulates the industry.

So, what should be recorded on the blockchain? There are several key points. The logistics details of the goods, accounts, identities, claims, other reference data and other information are recorded on the blockchain.

Insured price is the concept of a contract. When the customer signs for the package normally, the account claim is automatically triggered, the contract ends normally, and the premium is automatically cleared. If there is a problem or missing piece, the insurance company's claim process will be triggered.

Scenario 2: Charity express delivery

For charity activities, such as the "One Cent" campaign, one cent from the cost of each charity package is donated to the account of the charity organization . In this scenario, the express delivery company is still responsible for the transportation of goods, the public welfare organization provides the execution of public welfare activities, and the poverty alleviation merchants provide the sales of public welfare and poverty alleviation products.

Then what is recorded in the blockchain is the logistics details of the goods. After the package is signed for, it will be recorded on the blockchain, automatically triggering the transfer from the logistics company's public welfare account to the public welfare organization's account. When the public welfare activities are completed, the entire process is open and transparent, which avoids the public's distrust of social welfare activities.

Scenario 3: Industry blacklist sharing

At present, the blacklist of express delivery employees is still mainly offline. We hope that through blockchain technology, each company can record the blacklist of employees on the blockchain, and other companies can also query it, and the data cannot be modified, and can be traced back to which company this person worked in What kind of inappropriate behavior and other information.

Scenario 4: Supervision of safety incidents in postal delivery channels

Many express companies will install security inspection machines, and the government also wants to know whether each logistics company has any transportation safety hazards. Through the distributed accounting model, each express delivery company can record the effective information of the security incident on the blockchain when a security incident occurs, so that regulatory agencies can monitor it in real time and cannot be tampered with.