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1、区块链技术：区块链技术是一种记录和管理信息的分布式技术，它可以将数据分布在多个节点上，每个节点都可以保证数据的安全和完整性。区块链技术可以有效地防止数据的篡改，保证数据的安全性，并且可以支持多方参与，实现多方共享。

2、去中心化：去中心化是区块链技术的一个重要特点，它可以使数据在多个节点上进行存储，而不是在一个中心化的服务器上。这意味着，即使某个节点发生故障，也不会影响整个系统的正常运行，也不会影响数据的安全性。此外，去中心化还可以有效地防止数据的篡改，保证数据的安全性，并且可以支持多方参与，实现多方共享。

3、智能合约：智能合约是区块链技术的一种重要应用，它是基于区块链技术的一种分布式的自动执行协议。智能合约可以自动执行各方之间的合同内容，可以有效地防止合同纠纷，保证双方的权益。此外，智能合约还可以实现自动执行、自动计算和自动结算，可以大大提高合同的执行效率。

1. What are the applications of blockchain in real life

(1) Qulian

The underlying platform of Qulian blockchain is Qulian The domestic independently controllable blockchain underlying platform developed by Chain Technology features high performance, high availability, scalability, easy operation and maintenance, strong privacy protection, hybrid storage and other features, and cooperates with the data sharing and secure computing platform BitXMesh and blockchain The open service platform FiLoop, the supply chain finance platform FiloLink, the certification service platform FiloInk, and the smart contract security research and development platform MeshSec can better support the applications of enterprises, governments, industry alliances and other industries, and promote multiple Efficient circulation of value between institutions.

(2) JD Chain

JD Chain (JDChain) is an enterprise-level blockchain underlying framework independently developed by JD.com. Its birth marks the full launch of JD.com’s blockchain-based BaaS The construction of the "intelligent ecology" of the platform and the underlying chain of "JDChain". JD Zhizhen Chain Service Platform relies on the "one-click deployment" capability achieved through multiple optimizations to achieve leading second-level blockchain node deployment. In addition, it also has the core advantage of being open and compatible with mature applications such as multiple underlying and enterprise-level dynamic networking. The timely launch of JD Zhizhen Chain will effectively promote the large-scale implementation of enterprise-level blockchain applications in various industries and promote the construction of China and the global trust economy.

(3) Thunder Chain

ThunderChain is a blockchain application project independently developed by Xunlei’s Netcenter Technology. It has high concurrency of one million tps and second-level confirmation capabilities. . Based on the research and development of high-performance blockchain products, Xunlei has built the Xunlei Chain open platform to help enterprises or individual developers deploy smart contracts and easily implement products and services on the chain, making blockchain application development more convenient.

(4) Jingtong Chain

Jingtong Blockchain is the core underlying technology of the blockchain with independent intellectual property rights of Jingtong Technology. It is built based on blockchain technology. An effective decentralized Internet trading network that shares the ecology, adopts a hierarchical design (5 layers) of the underlying platform, and a multi-language smart contract system, and has implemented cross-chain functions. It has multi-level, all-round, one-stop service capabilities such as private chain, cloud chain, and alliance chain, and the layout of the industry and regional ecology has initially taken shape.

In addition to the above-mentioned blockchain products, there are also community-led LTC, Cosmos, IOTA, Nervos, NULS, MOAC, etc., and enterprise-led Ripple, Stellar, WeChat BCOS, XuperChain, Huawei, and Ping An , Wanxiang, Ant Financial, ZhongAn, Bubi, Matrix Yuan, Miyuan, Zhongxianbit, Complex Beauty, Shanghai Lianjing and many other blockchain products.

(1) Blockchain offline activities to attract groups 6 Extended reading:

Blockchain is far more than just a technology, it involves What comes across is the spirit of “multi-party collaboration”. in modern society,Many things must rely on everyone's cooperation to achieve the effect of 1+1>2, but in cooperation we need to try our best to avoid problems such as "information asymmetry".

Therefore, alliance members jointly keep accounts, share data, and make everything public to eliminate "information asymmetry" to protect everyone's interests and allow the business environment to develop healthily. If you do things honestly, you will get the benefits you deserve. If you cheat, it will be known to everyone and criticized by thousands of people. Technology is the foundation that helps realize this model. This is the more important "blockchain thinking".

2. What are the commonly used methods to promote blockchain?

In fact, there are quite a few. This mainly depends on whether you are promoting a blockchain project, a blockchain application, or a transaction. Place. Different entities have different promotion methods.
Conventional promotion methods include the following:
1. Filling in basic information on the Internet, information coverage
It means various post bars, knowing various coverages, and letting others search for what you have;
br />2. Website SEO optimization
Enable your website to be included and recognized by the Internet, and continuously optimize and increase its weight;
3. Community formation
Set up your own community and continuously Expand the size of the community to increase your influence;
4. High PR
Go to some news sources for endorsement;
5. Professional community promotion
It is relatively rare now. Only blockchain communities such as Babbitt, Biyuan Community, and Lobbying Community are doing well and can publish more articles.

3. How to create cohesion in the blockchain community

Create Blockchain community cohesion. Building the cohesion of the blockchain community requires that the value background of the blockchain community be recognized by everyone and have a common goal. Blockchain is a chain composed of blocks one after another. Each block stores a certain amount of information, and they are connected into a chain in the order in which they were generated. This chain is saved in all servers. As long as one server in the entire system can work, the entire blockchain is safe.

4. What are the reliable marketing and promotion methods of blockchain, or intelligent marketing platforms?

Our project has been promoted on media cafes, and the promotion platforms are all the same anyway. Bar! It’s just that they have a lot of media, such as Golden Finance, Babbitt, Bi World, Bi Express, etc., and they have many choices. Let’s talk about the advertising promotion methods that I think are reliable:

1. For community promotion, you can go to the person in charge of the key areas of major social media to cooperate.

2. Blockchain media promotion, which is easy to understand, is to advertise and post soft articles in the media.

3. SEO promotion is about ranking, but the results are slow.

4. For bidding promotion, you can directly cooperate with major search platforms.

5. What are the common methods to promote blockchain?

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

6. How to find the blockchain group on WeChat official account

1. Reply "group" in the background of the official account to recommend the assistant WeChat to the currency circle group.
2. Moments will frequently update a large amount of project group information. If you want to find a blockchain group, you can directly contact the assistant to find it. A WeChat public account is an application account applied by a developer or merchant on the WeChat public platform. This account is interconnected with the QQ account. The platform enables all-round communication and interaction with specific groups of text, pictures, voices, and videos, forming a kind of The mainstream online and offline WeChat interactive marketing method.

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

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

Provident funds can be transferred and continued in other places

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

Multiple types of data are shared on the "chain", online and offline services are coordinated, and the use of blockchain technology improves the efficiency of government departments and public satisfaction. For example, Haidian District in Beijing has opened a “Blockchain Zone” on the Haidiantong APP, which allows you to directly apply for public rental housing subsidies.Matters such as the approval of subsidies for high-tech talent training...With the application of new technologies such as blockchain, many government services have been "available online and the entire process is handled online."

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

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

Effectively supporting people’s livelihood services

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

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

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

Let data flow safely and orderly

Hu Kai believes that today, with the rapid development of the digital economy, numbers and data are key elements for future social development, but there are still legal issues behind the data. ,Interoperability, privacy, security, traceability, storage, transactions and many other complex issues. How to make data flow more securely and orderly? Blockchain technology has broad room for development.

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

8. What are the ecosystems of blockchain?

The development of cryptocurrency to this day has made "blockchain technology" popular, and the development of blockchain technology has become what everyone expects. In our country, both giant companies such as BATJ (Network, Alibaba, Tencent, JD.com) and "new emerging" companies such as Didi and OFO are actively exploring blockchain technology. Throughout the world, Walmart, Mastercard,
IBM, and giant automobile manufacturers are all trying to use blockchain technology to solve industry pain points. In addition, there are companies such as Japan's Kodak that are in decline and hope to fight a "turnaround" through blockchain.
What do these phenomena indicate? It shows that the blockchain technology has great commercial value, and everyone hopes to open up a new world in this unknown land. Therefore, with the development of blockchain technology this year, it is no longer just a simple underlying technology, but has formed a complete ecosystem. Below we will tell you about it from the two aspects of "currency circle" and "chain circle" Let’s talk about: What is the blockchain ecosystem like? Let’s take you to understand the whole picture of the blockchain industry.
Section 1: Currency Circle
In the currency circle, these terms are always important: project parties, exchanges, media, and mining machine manufacturers. Next, let’s take a detailed inventory of how Something happened.
1. Project Party
The project party in the currency circle can be understood this way: anyone who issues tokens is the project party. Note, it is a currency circle. There are also some project parties that do not issue coins, such as Alibaba, Tencent, and NetEase, which are also working on blockchain projects. They do not issue coins and only focus on technology. What about these project parties that do not issue coins? It mainly focuses on the role of blockchain in data security and supply chain, which we will mention later.
Going back to the topic of project parties in the currency circle, for example, the recently controversial Elastos and the previous TRON are all project parties in the currency circle, as well as the recently popular blockchain games. They also belong to the currency circle project side when it comes to earning tokens in games.
A subversive aspect of the currency circle project is that it combines the project and the token, directly replacing the equity with the token, and the token can be directly circulated. This point isA very revolutionary one that makes it easier for many initial projects to raise funds. After financing, the feedback tokens can be circulated on the digital currency trading platform, and investors can also exit well.
This "financing-investment" approach seems to be another way to realize the circulation of equity listings and transactions in disguise.
So, it is this kind of model that makes the currency circle project team the place closest to money. It is easy for them to trap money. Of course, it is also easy for them to be tempted, or have planned for a long time, and run away after trapping money. road. The detailed process for project parties to issue tokens is generally as follows:
The first step is to build a token system, which is similar to making an app application. This is not very complicated because Ethereum is open source. Similar to Android and Apple systems, developers can develop specific applications on it;
The second step is to write a white paper, which is similar to a business plan. The white paper is similar to a business plan and mainly includes the team situation of the project. , technical status and other information;
The third step is to find someone to endorse and find some influential industry figures to promote it;
The fourth step is to start promotion and marketing, find some blockchain media to promote Soft articles, cooperation, we will mention this below;
The fifth step is to find financing;
The sixth step is to go to the exchange, and the token begins to spread widely.
2. Exchange
After talking about the project side, let’s talk about the exchange. If the project party is a producer, then the things they produce must be sold and traded, right? The exchange is a trading place for project party tokens. If the project team's token is similar to a stock, then the exchange in the currency circle is similar to the secondary market of the stock market. It’s just that exchanges in the currency circle have more power. They have the right to review currency listings and can decide to list or delist currencies.
Of course, if the project team wants to list the currency, it has to pay a huge fee to the exchange for listing the currency. When investors trade in the exchange, they also need to pay handling fees or withdrawal fees. Each exchange has handling fee and withdrawal fee rules. Not all the same. In fact, listing fees, handling fees, and withdrawal fees constitute the profit model of cryptocurrency exchanges. Of course, in addition to these three profit models, the exchange’s profit models also include: “market maker” business to earn price differences, That is, the exchange creates liquidity through continuous buying and selling, acts as a market maker, and earns business spreads at the same time.
Currently, due to the increasingly fierce competition in the industry, listing fees and handling fees will become less and less, or even unnecessary, so regular profits will account for less and less, and other profits will appear. Model, for example: platform currency, leverage fee. Let’s talk about the platform currency first. Platform coins are coins issued by exchanges: OKB and Binance Coin are platform coins. These platform coins issued by exchanges can be exchanged for BTC and ETH. At the same time, the increase in the value of the platform coins themselves can lay a solid foundation for the development of the exchange. For users, holding platform currency can enjoy handling fee discounts, platform dividends, and transactionSpecial activities and other benefits, this is the platform currency. The leverage fee is the currency financing function on the platform, which supports margin trading and charges a certain percentage of handling fees to currency financing users.
The above mentioned are actually ecosystems built through the exchange’s own resource output. Now, exchanges are actively deploying the entire industry to obtain income, such as establishing capital, mining pools, wallets, incubators, engineering academies, funds, etc. We believe that if the exchange wants to develop in the long term, it must deploy the entire industry chain, find new hot spots in the industry, and build a complete ecosystem. Therefore, it must increase the proportion of strategic profits.
3. Blockchain Media
In the past two years when blockchain has become popular, not only have there been many project parties, but also media have sprung up like mushrooms after a rain. Currently, there are about 200 well-known blockchain media. Go home. The content on the blockchain media platform probably revolves around the following points: policies, hackers, exchanges, bosses, and project parties. In addition to text, the operation method of blockchain media also includes community activities, such as inviting “big guys” to join the group to share. In this way, high-quality content can be accumulated and some traffic can be earned at the same time.
Why must we mention blockchain media? It’s because there are actually some differences between blockchain media and the media in our impressions. What's the difference? The difference is that there are some interests between the blockchain media and the project parties and exchanges mentioned above. We just said that the project side is like a "producer" and the exchange is like a "sales market". Then, the role played by the media is like an "advertising platform". If a project wants to sell well, it needs publicity and advertising, so blockchain media plays such a role. Therefore, the investors of some blockchain media are now project parties and exchanges.
The recent period has been a bear market, and many blockchain media have laid off large-scale layoffs. The reason is simply a shortage of projects and insufficient funds. Therefore, if blockchain media simply relies on investment from project parties and exchanges, as well as advertising revenue, it is actually far from enough. When the bear market comes and project parties and exchanges are affected, then the media will inevitably face a very serious situation. Brutal winter. Therefore, many blockchain media are now also issuing tokens to project parties (the most typical ones are content communities such as Bihu and Biche, which both belong to a media platform and issue tokens to project parties), or some Blockchain media is doing business such as wallets and selling mining machines and renting computing power.
However, we believe that blockchain media, as a media, still plays a role in guiding public opinion after all. Therefore, it is still necessary to return to the essence and be a place to transmit industry value information, rather than a place to pile up advertisements. Therefore, blockchain media should still keep up with the development of technology to achieve its own survival and development, relying on the advantages of blockchain technology and based on the consensus mechanism in the token system to achieve a reasonable distribution of interests in the media industry. In this aspect, there may be some room for imagination.
4. Mining Machinery FactoryBusiness
Bitcoin mining is ultimately a competition of computing power. Whoever has stronger computing power has a greater chance of mining Bitcoin. Therefore, in the entire business system of the currency circle, mining machine manufacturers are an existence that cannot be ignored. Let’s look at a piece of data and we’ll know: In the blockchain industry on the Hurun Report 2018, the richest person is Mr. Zhan Ketuan, a partner from the mining machine manufacturer Bitmain. In addition, according to the prospectus, Bitmain’s net profit in the first half of the year was US$743 million, an increase of nearly 8 times year-on-year. It once occupied more than 70% of the global Bitcoin mining machine market share and became the leader in the mining machine industry. Not only mining machines, Bitmain still occupies a near-monopoly position in mining pools (that is, a cooperative mining model): as of now, the top six mining pools in the world account for 79.2% of the computing power.
Another company that researches mining machine chips - "Canaan", after inventing China's first Bitcoin mining machine, began to engage in research on chips in the fields of blockchain and artificial intelligence. In just a few years In 2006, it also became an internationally renowned chip company.
In fact, as early as 2012, the United States announced that it would release a butterfly mining machine. However, this matter was later considered by many people to be a scam, because the butterfly mining machine was delayed for several years before being released. In the past few years, It has also made the research and development of mining machines in other countries very frightened, and they are all scrambling for time. In a sense, the butterfly mining machine can be regarded as driving the prosperity of the mining machine industry. So, by 2013, mining machines have entered a season of blooming, and a large number of ASIC mining machines have been proposed: either announced research and development, or announced pre-sale, or in the form of spot goods, appeared: roasted cat mining machine, Pigeon mining machine, TMR mining machine, Biter mining machine, Rand Mining Bureau, Little Bee mining machine, Avalon original factory and various OEMs, Garden mining machine, Smart mining machine, etc... maybe Everyone has never heard of these mining machines, because they are basically dead. The remaining ones, Bitmain, Canaan, and Yibang, have become mining machine giants.
However, as a derivative industry under the prosperity of the cryptocurrency market, the price of mining machines is closely related to the cryptocurrency market: in the bull market, mining machines are often in short supply, and miners pay several times higher prices to buy from "scalpers" It is not uncommon to buy mining machines. At this time, mining machine manufacturers have entered a bonus period. But in a bear market, mining machine manufacturers will also be affected by some adverse effects. Miners' enthusiasm for mining wanes, and some manufacturers have to lower the price of mining machines to recover costs. For example, when Bitcoin plummeted in March this year, a certain model of mining machine sold by Huaqiangbei was sold at a price reduction of 5,000 yuan. The price dropped from about 19,000 yuan per unit to
14,000 yuan.
[Summary]
At this point, we can find that whether it is the project party, the exchange, the media, or the mining machine, it can be said to be a relationship in which “one prospers, one loses, and both suffer”. In the bull market, the project party uses financing to issue tokens and lists them on the exchange. The exchange earns listing fees and transaction fees. The increase in the token's net worth also allows the project party to earn more.Make a sum, and then find the media to place advertisements. The media earns advertising fees, then the currency price will be high, miners will be enthusiastic, and the mining machines will be sold well. But in the bear market, it is completely the opposite sign. Everyone is facing a cold winter, so this is a relationship of "one prosperes, one loses, and both suffer".
The currency circle is introduced here first, let’s introduce the chain circle next.
Section 2 Chain Circle
Chain circle refers to the circle that focuses on blockchain technology. Compared with the currency circle, the chain circle is quite low-key. However, without the technical support of the chain circle, the currency circle cannot exist. Therefore, the chain circle is often ignored, but in fact it is very important. The implementation of future blockchain scenarios will also rely on the technology of the chain circle as a support.
At present, the Chain Circle project mainly focuses on the aspect of data security in the supply chain. We mentioned at the beginning that Wal-Mart, Mastercard, IBM, and those giant automobile manufacturers are trying to use blockchain technology to solve some industry pain points involving data security, such as: the circulation safety of fresh food, vaccines Security, transaction data security, copyright protection, etc.
In terms of supply chain, the most typical example is the express delivery industry. SF Express is currently trying to use blockchain technology to solve pharmaceutical logistics safety. In addition, Alibaba is actively deploying blockchain in Xiongan New Area; Tencent, Internet, NetEase, and JD.com have developed a number of online games based on blockchain. Although these projects are not yet very mature, they have enriched the blockchain The business model provides some relatively broad imagination space.
When it comes to imagination, for the blockchain community, it actually mainly revolves around the topic of "Blockchain+": Blockchain+Finance, Blockchain+Insurance, Blockchain+Agriculture, Blockchain + entertainment, blockchain + artificial intelligence, blockchain + and any other industry... To put it bluntly, it is the implementation of blockchain scenarios. Turning these imaginations into reality is like spreading the Internet to thousands of households. The same as the household.
[Summary]
Blockchain, the underlying technology, was actually a currency system at first, serving Bitcoin. However, as it develops today, this technology has evolved into an idea of ​​change and innovation. Or methods, these ideas and methods are indeed solutions to some pain points in the current Internet era.