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A. What is the blockchain and can it be invested in?

What is the blockchain and can it be invested in?

Blockchain technology is an emerging concept after the introduction of the Internet concept. It mainly solves the information asymmetry in society and provides decentralized services. Give an example to explain what blockchain technology is:

Usually we deposit cash into the bank. Every time we withdraw money, the transfer must go through the bank system to complete. So if we use blockchain technology To solve this problem, then our money does not need to be placed in the bank. When transferring money to others, we only need to transmit data on the chain. The transfer record data will be recorded by the entire network, and the consumption path of the amount can be found at any time. , there is no need to go through any intermediary to complete the intermediate recording.

This is just one of the scenarios where blockchain technology is applied. At present, the payment industry, gaming industry, lottery gambling industry, etc. are the most widely used blockchain technology.

In the nascent stage of the development of blockchain technology, many investors will naturally see the development potential and prepare to invest in blockchain. So how to invest in blockchain? Everyone knows that with the emergence of blockchain technology, digital currency will be generated, and the circulation of digital currency will generate value. Ordinary people can invest in blockchain by purchasing digital currency. Common digital currencies include Bitcoin, Ethereum, Yuzi, etc. However, the risk is extremely high. The return is much higher than that of stock investment, but the risk is also several times higher. Therefore, when investing in blockchain, the choice of digital currency is also very important. For novice investors, it is recommended to choose mainstream currencies, such as Bitcoin, Ethereum and Ripple. Their value has been basically recognized, they have a consensus mechanism, and the price will not drop significantly. However, the corresponding blockchain technology is still the best. Ethereum.

For professional risk control investors, you can choose to invest in blockchain companies, taking a fancy to their long-term value and tokens. Nowadays, blockchain companies will issue coins, which are so-called digital currencies. However, their value is zero and they have no actual circulation significance. Therefore, if you choose to invest in a blockchain company, you still need to see clearly the content of the company's projects, whether they can be truly implemented, and how much potential they have for changing human life in the future.

B. What is blockchain technology? A popular explanation of what blockchain is.

Blockchain has been at the forefront since the end of October.

What is blockchain technology

Although blockchain has been around for more than ten years, many people still don’t know much about this technology.

Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithms. From an application perspective, blockchain is a distributed ledger.

So, why is the blockchain called a block?Where's the chain?

Because the blockchain itself is a series of linked blocks, these blocks are filled with transaction records. The blocks are much like the records of a database. Every time data is written, it is Create a block. With the expansion of information exchange, one block continues with another, and the result is called a blockchain.

What are the characteristics of blockchain technology?

Simply put, blockchain has the characteristics of decentralization, openness, non-tampering, and anonymity.

1. Decentralization:

In the blockchain system, there is no center.

In the blockchain model, it is distributed accounting and storage. Each node self-verifies, transmits, and manages information. Each node is the center, which is decentralization.

2. Openness:

The blockchain system has the characteristics of openness. The data is open and anyone can query the blockchain data and data through the public interface. Develop related applications.

3. Information cannot be tampered with:

In the blockchain system, once the data is written, the tampering cannot be undone unless 51% of all data nodes are controlled. Forge a record that does not exist. Therefore, blockchain technology has a certain degree of security.

4. Privacy and anonymity:

The cryptography technology in the blockchain can effectively achieve identity concealment.

The identity information of each node does not need to be disclosed or verified, and information transfer can be done anonymously. It can only be accessed with the authorization of the data owner, thus ensuring data security and personal privacy.

Xiao Li lent 10,000 yuan to Xiao Wang. Xiao Li found two people in common and Xiao Bai to prove it. This accounting model is a centralized accounting model, and Xiaobai is the center.

However, a year later, when Xiao Li wanted to get the money back, Xiao Wang Shikou denied that he had lent him the money. It turned out that Xiao Wang introduced Xiao Bai’s girlfriend to his company. a job.

This is the disadvantage of centralized accounting.

Xiao Li learned a lesson and gained wisdom. In the future, when someone asked him to borrow money, he said on WeChat in the village that I would lend so-and-so how much money. In this way, everyone in the village knew that Xiao Li How much money did Li lend to whom?

In this way, when Xiao Li asks for debt again in the future, the other party will not deny the issue, because a consensus mechanism has been established in the minds of the people in the village: How much did you borrow from Xiao Li? .

This is the advantage of decentralized accounting.

Because after all, there are many people comingTo testify about this transaction, if it looks like a fraud, you will have to buy more than half of the people in the village. However, this price is very high.

In fact, these characteristics of the blockchain are all to solve the problem of "trust". The rich application scenarios of the blockchain are also based on the blockchain's ability to solve the problem of information asymmetry. At the same time, Blockchain also helps achieve collaborative trust and consistent action among multiple entities.

What are the applications of blockchain?

In addition to digital currency, there are many application scenarios of blockchain.

1. Medical field

Blockchain helps realize smart medical care, such as going to the hospital to see a doctor. Through the blockchain model, the patient’s medical status, cases, treatment status, etc. are all Clearly visible, saving a lot of medical resources.

2. Copyright field

Blockchain can prove the authenticity and uniqueness of the copyright of works, from the birth to the transfer of audio, video, pictures, text and other works. Can be tracked and recorded, and form tamper-proof information.

3. Logistics field

After applying blockchain in the logistics field, goods can be traced from production to consumption.

4. Food safety

Is blockchain used for food safety? Through blockchain traceability, one can easily trace the past and present life of their food.

5. Securities trading

For example, traditional securities trading requires the coordination of multiple institutions to complete, while the blockchain system can independently complete one-stop transactions. This service can make securities trading simpler and faster.

However, many people have big misunderstandings about blockchain. The biggest misunderstanding is: blockchain = Bitcoin

In fact, blockchain and Bitcoin is not the same thing. Blockchain is the underlying technology of Bitcoin, and Bitcoin is the first application of blockchain.

C. What is blockchain and how do ordinary people make money in blockchain?

The popularity of blockchain has caught the public off guard. Nowadays, no one knows about blockchain, but many people do not have a clear understanding of the definition of blockchain.

So, what exactly is blockchain?

Regarding blockchain and Bitcoin, most people have this misunderstanding: Bitcoin is blockchain.

In fact, Bitcoin and blockchain are not the same thing. Blockchain is the underlying technology of Bitcoin, but the first usage scenario after the birth of blockchain is Bitcoin.

Let me explain to you what Bitcoin is and what blockchain is.Related content, all children, hurry up and move your bench!

What is Bitcoin?

Bitcoin is a digital currency, a peer-to-peer encrypted digital currency. It is not a tangible paper currency such as RMB or US dollars. It is generated by computers through specific mathematical calculations. Also stored in the computer.

Because Bitcoin is just a string of data in a computer, it is also called a "virtual currency" compared to paper currency. To put it simply, you can understand that Bitcoin is just a string of numbers with cash value, similar to Q coins. In other words, Bitcoin has no actual value. Its current value is supported by the faith of currency speculators. If the faith is gone, the value of Bitcoin will collapse.

Bitcoin is magical, what is its magic?

If you want to get Bitcoin, in addition to buying it, you can also mine it. The original Bitcoin is mined!

1) Mining

The first thing that comes to mind for many people is the image of a coal mine:

Mine, absenteeism, dust , black coal, large trucks.

Bitcoin mines are not like this. They only need electricity, network cables, and computers. However, mining this mine is a technical job, and it tests the performance of the computer's CPU and GPU.

2) Transaction

How does a Bitcoin transaction proceed?

Each user has a unique address, which is the Bitcoin "wallet". For every transaction, for example: A pays B a Bitcoin, a Weibo post will be posted publicly in the system saying: "I gave B a Bitcoin @B". These records will be kept as evidence at every terminal of the system. on the chain.

If A wants to go back on his word and tamper with Bitcoin’s transaction history, then every terminal record on the network must be modified. However, this is not easy, because only A whose computing power exceeds the sum of the computing power of all nodes in the system can tamper with transaction records. Obviously, this is unrealistic.

In the transaction process, Bitcoin uses a decentralized accounting method, which is also blockchain technology. Simply put, blockchain is a decentralized distributed ledger database.

What is blockchain?

The blockchain was created along with Bitcoin. During the formation of Bitcoin, blocks were storage units one by one, recording the communication information of each block node. Blocks are very similar to For database records, every time data is written, a block is created. With the expansion of information exchange, one block continues with another, and the result is called a blockchain.

Blockchain is a distributed ledgerWith this technology, everyone participates in accounting, and everyone has a copy of the ledger information. This account book is not easy to forge and is traceable.

For example:

On a certain day of a certain year, Lao Wang lent Xiao Wang 10,000 yuan. Lao Wang told everyone around him the news , the transfer records were posted on WeChat Moments, and everyone helped them testify to the existence of this transaction.

Lao Wang and Xiao Wang are two nodes. These two nodes generate transaction time, location, person and other information, and they are packaged to form a "block". Lao Wang’s friends are also nodes. These nodes jointly record the transaction status and details (blocks) of the two nodes Lao Wang and Xiao Wang. These blocks are connected to form a chain, forming a decentralized database.

In the past, only both parties knew when Lao Wang and Xiao Wang borrowed money. This was the centralized accounting model. But now everyone knows it and records it in their own ledgers. This is the decentralized accounting model. model.

When one day, Xiao Wang regrets that he did not borrow the money, everyone around him will know their transaction information, so Xiao Wang will not be able to deny it. This is the blockchain Information sharing cannot be tampered with.

How do ordinary people make money by participating in the blockchain?

I have summarized several methods suitable for ordinary people to make money during the blockchain bonus period.

1. Direct investment in blockchain: buy coins or buy some blockchain stocks, but the currency circle is risky, so you must be cautious when buying, and there are many blockchain stocks now. However, there are risks in the stock market, so investment needs to be cautious.

2. Make blockchain self-media: run a WeChat public account or Toutiao account, write articles about blockchain and publish them on it. If you are good, you can also get some good profits.

3. Participate in technology development: In fact, it is very simple, it is to participate in the process of blockchain development. However, this method requires high technical threshold.

4. Blockchain training: Companies that can provide blockchain technology training or knowledge training.

That’s all the relevant knowledge about what blockchain is, I hope it can bring you some help.

D. What companies are currently using blockchain technology

The large domestic blockchain companies include Xinchen Technology, Yinjiang Shares, Great Wall of China, Radio and Television Express, and Hundsun Electronics wait.

1. Xinchen Technology

The company's current main business is application software development business, software and hardware system integration business and professional technical service business. In recent years, Xinchen Technology has been more bold in its attempts at innovation. The company has made certain progress in the application of new technologies such as cloud computing, big data, artificial intelligence, and blockchain in the financial industry. Based on blockchain technologyThe domestic letter of credit business system has been successfully launched in the bank and is expected to gradually become a new growth point for the company's software solution business.

2. Yinjiang Co., Ltd.

The company mainly provides intelligent system engineering and services to users in transportation, medical, construction and other industries. "Elite" has conducted multiple follow-up reports on Yinjiang Shares. This company has made in-depth development in smart cities in recent years, covering all aspects of urban residents' lives including transportation, medical care, construction, environment, energy, education, and finance.

The company is a key software enterprise within the national planning layout, a key high-tech enterprise in the National Torch Plan, one of the top 100 enterprises in China's software business revenue, one of the top 100 high-tech enterprises in Zhejiang Province, and one of the top 100 high-tech enterprises in China according to Forbes in 2010. One of the top 100 small and medium-sized enterprises with potential, a unit with outstanding contributions to China's informatization construction in the past 30 years of reform and opening up, and one of the companies with the highest comprehensive business qualifications and the most comprehensive types in the domestic industry.

3. Cultural Great Wall

Cultural Great Wall began to acquire large educational institutions such as Lianxun Education, Zhiyou Zhenlong, and Jade Sect World Education in 2015, and has become a leader in the A-share education industry. For listed companies, the rapid growth of the education industry has become a new driving force for the company's performance growth. Its subsidiaries began to lay out the blockchain industry in 2017, investing in the research and development of blockchain-related technologies, and obtained four blockchain technology copyrights in March 2018, becoming a pioneer in blockchain applications in the field of education. .

4. Radio and Television Express

The company stated on the investor interaction platform that it has been paying attention to the development trend of digital currency for a long time. Focusing on the industry development needs of digital currency, the company has set up a dedicated team to carry out Related work, including research on blockchain technology.

5. Hundsun Electronics

On June 1, 2016, the Financial Blockchain Cooperation Alliance was established in Shenzhen. Hundsun Electronics is one of the 25 initiators to use the blockchain Chain technology implements a digital ticket system based on the alliance chain.

E. What are the leading blockchain listed companies?

As of August 11, 2021, there are a total of 251 blockchain concept stocks listed on the Shanghai and Shenzhen stock exchanges.

Let me introduce to you the industry leaders:

Yongfu Shares (300712): The company’s business now covers big data, industrial Internet, blockchain, Internet of Things, etc. related to the construction of Digital China field. Guohua Network Security (000004): The company has been actively participating in the ecological construction of the Hongmeng system, and has completed the adaptation work of the Ark compiler and the Hongmeng system, including HAP adaptation work, to ensure the compatibility and interoperability of the products of both parties. Tianyin Holdings (000829): Domestically, the company won the bid for the Beijing Welfare Lottery sales terminal (special equipment) purchase project for the first time, successfully expanding the company's business territory and further improving its industry status; in terms of foreign business, the company signed a contract with the Jamaican National Lottery Operator signed a service contract to provide customers with a series of solutions such as software and hardware, and at the same time cooperated with the British, South Africa, Nigeria, the Philippines and other countries to discuss specific cooperation matters.

4. Visual China (000681): The company is the first platform-based cultural technology enterprise in China to apply Internet technology to copyrighted visual content services.

5. Ping An Bank (000001): With the strategic goal of building "China's most outstanding and world-leading intelligent retail bank", it continues to adhere to "technology leadership, retail breakthroughs, and corporate excellence" Based on the twelve-character strategic policy, we will comprehensively upgrade the new three-year strategic measures and promote business development to a new level.

6. Tongda Electric (603390): In December 2019, the company stated on the interactive platform that its wholly-owned subsidiary owns the software copyright of "Blockchain Multimedia Publishing Platform V1.0".

7. Ren Zixing (300311): Positioned to provide users with Internet space data governance, network and information security, data security and data value-added solutions and services, and assist governments and operators in network and communication digital resources To manage.

8. Tianzhou Culture (300148): The company invested in Tianhe Wenlian to actively deploy blockchain-related copyright certification, digital content storage and distribution, and cultural innovation applications to promote blockchain technology in culture and publishing. Integrated innovation and integrated applications in business fields such as education, games, etc., to help the development of the blockchain copyright industry.

9. Gaohong Shares (000851): The company is a member of the Blockchain Security Laboratory of the Ministry of Industry and Information Technology. The company's trusted software copyright protection system is based on trusted computing technology, confidential computing technology and operating system security reinforcement technology to comprehensively protect the security of target software; combined with the company's trusted servers and trusted terminals It forms an application all-in-one machine that can be applied to emerging technology application scenarios such as blockchain and AI.

10. Xichuang Yihui (300078): The company has applied blockchain technology in the field of independent third-party data encryption services to protect hospital data assets and patient privacy and solve data security issues in the medical industry. . The company will continue to explore the application of blockchain technology in the medical field.

11. Zhongqingbao (300052): The company builds the LeaderChain infrastructure cloud platform based on its independent research and development of LeaderChain blockchain technology, and leverages the parent company Zhongqingbao’s expertise in cloud computing, artificial intelligence, Years of accumulation and outstanding advantages in big data, Internet of Things, smart cities and other fields have formed a complete end-to-end blockchain solution through the "profit chain industry/government/city".

12. Dashi Intelligence (002421): The company signed a "Strategic Cooperation Agreement" with Beijing Taiyi Cloud Technology Co., Ltd. and plans to jointly build an open and win-win "Blockchain Intelligent IoT" ecological chain .

The above are my statistics of leading blockchain listed companies. I apologize for the inaccurate statistics. I hope to communicate with you more. Thank you for your attention!

F. In the competition between emerging public chains, who will be the first to rival Ethereum

This video is jointly produced by Baize Research Institute and Tencent News.

Due to the explosive growth of the DeFi and NFT fields on the Ethereum public chain, it is difficult for Ethereum's performance to carry greater market demand, but the official solution of Ethereum 2.0 is progressing slowly. While everyone is concerned about whether Ethereum can surpass Bitcoin, Ethereum's "competing products" are also launching a powerful offensive against Ethereum through performance, smart contract applications, audience groups, etc. So who will be the first to compete with Ethereum?

Hello everyone, welcome to Baize Research Institute. Starting from this episode, let’s talk about the recently popular emerging public chains. First of all, to understand the public chain that this series will talk about, we must first understand some basic concepts. What is blockchain? What is a public chain? Why are so many emerging public chains rising to challenge Ethereum, the most popular blockchain?

The concept of blockchain was first proposed by Satoshi Nakamoto, the creator of Bitcoin, in 2008. Conceptually, blockchain is a method of storing data in blocks. Distributed ledger technology that is sequentially connected and cryptographically guaranteed to be non-tamperable and non-forgeable. Simply put, blockchain technology can achieve openness, transparency, non-tampering, non-forgery and traceability of all data information in the system without the need for third-party participation.

For ease of understanding, in essence, the blockchain is a database. But this database is a bit special. It is a distributed and decentralized database. Everyone knows about databases, but how do we understand distribution and decentralization?

Let me take myself as an example. I, Heimi, used to live in a haze, never knowing how much I earned and where I spent it. Later, an expert gave me some advice, saying that you can't do this. You must learn to keep accounts, figure out your income and expenses, and learn to plan, so that your life will be better and better. Once I hear it makes sense, I'll keep the account.

I started to record every day, how much I earned in a month, how much I spent, and how much was my balance. I wrote them all down. The notebook I used to keep accounts can be called a database, and each item written in the notebook was written down. The income and expenditure items are the data in the database.

But now I am doing accounting alone and have only one database. One day my laptop was burned by fire, the account book was gone, and the database was gone.

Ever since, I mobilized my parents to keep accounts with me. When checking, we will use most of the same records as a consensus. In this case, there will be three ledgers keeping accounts at the same time. Even if one day, my laptop is burned down, their laptops will still be there, and the data will not be lost. This is a distributed, decentralized ledger, and its The advantage is that the data is safe, there is no unique center, and it doesn’t matter whose data is lost.

In order to facilitate reconciliation, the daily income and expenditure records of the three of us are checked and written down on another piece of paper. We can put it on this piece of paper.It’s called a block. It’s written down on a piece of paper a day, one block after another. When connected together, it’s called a blockchain.

Okay, let’s summarize it here. First, the accounting notebook is a database. Second, it is distributed and decentralized. The three ledgers are jointly recorded. If the records are the same, then they are all valid; if there are differences, then the majority of the same records will prevail. The three ledgers are in the hands of three people and cannot be destroyed at the same time. The data is absolutely safe.

Such a distributed, decentralized ledger or database is a blockchain.

Ok, after understanding the concept of blockchain, let’s understand the different types of blockchain. According to the rules of node access, blockchain can be divided into: public chain, private chain, and alliance chain.

A public chain can also be called a public chain. The code is open source and decentralized. On this kind of blockchain, any individual or organization in the world can initiate transactions at any time, and anyone can Can participate in the blockchain consensus. Even the founder or development team of this public chain cannot infringe on the rights of users. The public chain is the earliest blockchain and the most widely used blockchain. For example, the well-known cryptocurrencies such as Bitcoin and Ethereum are based on the public chain.

Alliance chain, also called joint blockchain, is an organization that designates multiple pre-selected nodes as bookkeepers. The generation of each block is jointly decided by all selected nodes. Others Admitted nodes or users can participate in transactions, but will not be involved in the accounting process. Therefore, the alliance chain can actually be called a "hyperledger".

A private chain can also be called a private chain. As the name suggests, it only uses blockchain technology for accounting. It can be a company or an individual, with exclusive rights to this blockchain.

It should be noted that investment in cryptocurrency is strictly prohibited in our country. This video is mainly to introduce readers to the development trends in the field of blockchain technology. It is not recommended that everyone participate in currency speculation.

In the past few years, the development pace of public chains has been accelerating, and hundreds of large and small public chains have emerged. The more well-known public chains include: BTC, ETH, BSC, Polkadot wait.

Due to the explosive growth of the DeFi and NFT fields on the Ethereum public chain, it is difficult for Ethereum's performance to support greater market demand. Ethereum is the first but not the only blockchain to support smart contracts. Although the development team is aware of the performance limitations and is seeking to improve it through the development of Ethereum 2.0, progress has been slow. While everyone is concerned about whether Ethereum can surpass Bitcoin, Ethereum’s “competing products” are also launching a powerful offensive against Ethereum through performance, smart contract applications, audience groups, etc. After all, who doesn’t want to replace Ethereum? Ethereum has become the mainstream operating system in the entire crypto world, including various layers that have expanded Ethereum’s capacity in recent years.2 solutions and some emerging public chains.

In the second half of this year, it can be said that a "public chain battle" broke out in the encryption industry. Solana public chain fired the first shot, and then Avalanche public chain announced a total liquidity of US$180 million. The mining plan enables multiple leading DeFi projects to be integrated into Avax; the Fantom public chain invested 370 million FTM tokens to launch an ecological incentive plan; some leading DeFi projects jointly invested US$100 million to support the development of the Celo public chain. Rather than a comparison between emerging public chains such as Solana, Terra, and Avalanche, it is better to say that emerging public chain groups are challenging their predecessors such as Ethereum, BSC, and Polygon. From this point of view, the structure of the public chain market has completely changed.

In fact, if you think about it carefully, the rise of emerging public chains such as Solana, Terra, Avalanche, and Fantom is not because of the so-called "blockchain performance surpassing Ethereum." The real reason behind it is actually the cross- The popularity of chain bridges in various public chains will be discussed later.

If the future blockchain world is really the coexistence and interconnection of multiple chains as industry experts say, then the story of emerging public chains is far from over. Some other star public chains have also emerged in this public chain battle, such as Celo, Near, Algorand, Harmony, etc. Their comprehensive strength is not inferior and they are gaining momentum.

ChainDD only provides relevant information display and does not constitute any investment advice