乐付链区块链是什么公司,乐付官网

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㈠ What is blockchain

Blockchain is a term in the field of information technology. In essence, it is a shared database, and the data or information stored in it has the characteristics of "unforgeable", "full traces left", "traceable", "open and transparent" and "collectively maintained".

Based on these characteristics, blockchain technology has laid a solid foundation of "trust", created a reliable "cooperation" mechanism, and has broad application prospects.

From a technological perspective, blockchain involves many scientific and technical issues such as mathematics, cryptography, Internet and computer programming. From an application perspective, simply put, blockchain is a distributed shared ledger and database.

Blockchain is a new application model of computer technology such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. Blockchain is an important concept of Bitcoin. It is essentially a decentralized database.

At the same time, as the underlying technology of Bitcoin, it is a series of data blocks generated using cryptographic methods. Each data block contains a batch of Bitcoin network transaction information, which is used to verify its Validity of information (anti-counterfeiting) and generation of the next block.

In fact, the word blockchain does not appear in the original English version of the Bitcoin white paper [4], but chain of blocks is used. In the earliest Chinese translation of the Bitcoin white paper [9], chain of blocks was translated into blockchain.

㈡ What is blockchain and how to make money

Blockchain is an Internet-based application technology, such as virtual currency products based on blockchain technology.
The last time I went to Zhongyi Group to attend a class, their instructor said this: "The blockchain is like a very large ledger system. Many connection points (people) are the basic units of the blockchain. Whenever When a transaction occurs, the system will notify everyone and record the accounts according to the system rules. If someone is dishonest and wants to modify, add or delete this information, it needs to be approved by more than 51% of the people. This possibility is very small because people Too many. And the system will automatically correct your information that is different from that of most people. Everyone has a ledger that is the same as the system, that is, a backup. After everyone records the same information, the system will time stamp it and package it When blocks are formed into blocks, they are called blocks, and when blocks are connected in chronological order, it is called a blockchain."
Making money is even simpler, as long as the blockchain can be applied in any field, you can make money. For example, technology optimization, hardware infrastructure, Internet financial products, etc.
At present, blockchain applications are relatively mature and recognized in the industry. If there is a ranking, Zhongyi Group is very high.

㈢ How to explain blockchain in a popular way

Blockchain is a decentralized distributed ledger database. The benefits of this distributed ledger areYes, buyers and sellers can trade directly without any intermediary. Everyone has a backup, even if your copy is lost, it will not be affected.

(3) What is the Lefu Chain blockchain? Extended reading:

Blockchain application fields

1. Finance Field

Blockchain has potentially huge application value in financial fields such as international exchange, letters of credit, equity registration and stock exchanges. The application of blockchain technology in the financial industry can eliminate the need for third-party intermediaries and achieve direct point-to-point connection, thereby greatly reducing costs and quickly completing transaction payments.

2. Internet of Things and Logistics Fields

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

3. Public welfare field

The data stored on the blockchain is highly reliable and cannot be tampered with, so it is naturally suitable for use in social welfare scenarios. Relevant information in the public welfare process, such as donation projects, fundraising details, fund flows, recipient feedback, etc., can be stored on the blockchain and transparently and publicly disclosed conditionally to facilitate social supervision.

4. Insurance field

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

㈣ What is the so-called "blockchain"

It can be said that 2020 is the first year of industrial blockchain. With the continuous development of blockchain technology, the number of companies actively deploying blockchain has grown exponentially. However, blockchain is still in a very early stage of development, and the implementation of blockchain applications still requires continuous exploration.
In the past ten years or so, blockchain technology has had a wide impact on a global scale. Compared with its inception, the face of the blockchain industry has undergone earth-shaking changes.
The blockchain market in the past few years was more like the Internet before 2000. The Internet before 2000 went through a period of restlessness and experienced ups and downs. Then the big waves washed away the sand, and truly powerful companies developed. .
While participating in the Cointelegraph Chinese event, Avalanche Asia Ecology Partner Wilson said: "In 2018, the blockchain ecosystem was completely different from now. At that time, it was more conceptual. Starting last year, the district The blockchain industry has undergone great differences. More and more reliable projects have been born.”
Indeed, in addition to being initially limited to applications in the field of digital currency, blockchain technology has now gradually become the basis of different traditional industries. facility. After more than ten years of exploration and research and development, blockchain has also discovered more ways to highlightApplication scenarios that show its value.
The growth momentum continues, but large-scale application has not yet been achieved
It can be said that 2020 is the first year of industrial blockchain. With the continuous development of blockchain technology, the number of companies actively deploying blockchain has grown exponentially. Against the backdrop of the COVID-19 outbreak, blockchain technology has also shown its huge untapped potential.
In the past year, global blockchain companies have continued to grow, but at a slower pace. According to data from the China Academy of Information and Communications Technology's "Blockchain White Paper (2020)", as of September 2020, there are 3,709 blockchain companies in the world, mainly distributed in the United States and China, of which the United States accounts for 27%. China accounts for 24%.
Obviously, as countries around the world continue to introduce positive blockchain policies and promote blockchain technology to empower the real economy, the blockchain industry bubbles are gone and the industry has returned to rationality. More and more companies are entering the market and actively using blockchain technology to expand their business.
Even though blockchain-related companies are springing up like mushrooms after a rain, blockchain is still in a very early stage of development. From the bottom of the protocol layer, it is still very early to be mature and complete. The middleware layer may be far away from maturity, and the middleware layer may be a very important infrastructure required for the future integration of blockchain with the real world and real economy.
When these things have gradually become standardized and mature, we will usher in a stage where blockchain will become mainstream and explode.
As for the development status of the entire blockchain technology, Helium China Managing Director Gao Yuan pointed out: "The user experience of various blockchain applications is not very good now. The development of middleware and the maturity of the user end are the key to achieving large-scale implementation." The key point of application. Ultimately, for blockchain to be implemented and become part of the real economy, it requires a mature and clear state at the regulatory level."
However, the implementation of blockchain applications still requires continuous exploration. If the performance of the underlying infrastructure of the blockchain is not improved, it will be difficult to achieve large-scale commercial applications in the future. So, what is the reason why a large number of blockchain applications have not been successfully implemented? Charlie Hu, head of Polygon China, believes:
First, it is not friendly enough to developers;
Second, it has limited expansion performance;
Third, it lacks interoperability, and its core logic is the future blockchain The world is not just one chain, but multiple chains coexist. Based on the existence of different chains for different business applications, cross-chain interoperability is very important.
Why is interoperability crucial for different blockchains?
The "interoperability" of blockchain means that different blockchain networks can easily communicate with each other and share information. Interoperability mainly refers to application layer interoperability, inter-chain interoperability, and off-chain data interoperability.
IOHK CEO and Cardano founder Charles Hoskinson said in an interview with Forbes that the interoperability of blockchain will lead to easy migration from one system to another.
In the blockchain industry, a blockchain that can meet user needs and operate efficiently is a necessity, and its status is very important. Although Ethereum has innovatively created smart contract technology and built a super ecosystem containing various applications, it is far from meeting commercial needs, at least until Ethereum 2.0 is fully launched.
Why is blockchain interoperability so important? With the continuous expansion of blockchain technology itself and the expansion of its applications in different industries, it is difficult to interoperate between different chains, difficult to connect between different applications, and difficult to trust the interaction between the chain and the off-chain. These problems are very important. To a certain extent, it limits the large-scale application of blockchain.
The scenario requirements between different blockchains may be different, and under these different requirements, a large number of interactions are required. Regarding interoperability, Iris, head of Asia business strategy at Edge & Node, said: "If there are islands between chains, there will be no way to interact, which will greatly affect applications. Interoperability across chains has different levels. From assets to data, to a lower-level consensus. Many projects have already realized asset cross-chain, and the next more difficult step is data cross-chain.”
It is far from achieving interoperability between different blockchains. not enough. According to Zhixian, the founder of Leitu Technology, interoperability should not be limited to the blockchain ecosystem. Only by opening up the interoperability between the blockchain and the Internet can the user base be maximized.
Cross-chain technology is the key to achieving interoperability. Currently, cross-chain technologies include notary mechanisms, side chains/relay chains, hash time locking, and distributed private key control.
In terms of data trust and security issues during the interaction process, O3Labs product VP Tim believes that the interoperability of different chains may have some challenges. He added:
First, user experience. Products must be made for more users. Whether in enterprises, institutions or consumers, user experience issues will be taken into consideration. Even if it can be achieved in terms of technology, it must also be achieved in terms of experience.
Second, security. Different chains will need to adjust some off-chain data. Different chains have different methods, so it is important to ensure the accuracy of the data. Because this will become a foundation, if there are many applications on this chain in the future, the accuracy and speed of these data must be very consistent.
Just like the emphasis on privacy protection in the traditional Internet, privacy protection issues must also be paid attention to between different chains and in the process of on-chain and off-chain interactions. Every interaction should avoid privacy leakage during the interaction. Suterusu CTO Lin Huang said that currently, there are too many cross-chain projects, and there are many products in this area. However, there are relatively few products that consider supporting multi-chain privacy protection. Suterusu has now done a lot of privacy protection.The protection work will be deployed on some chains next.
The future of blockchain - the coexistence of multiple chains
The blockchain industry has been constantly evolving. In addition to Ethereum, there are many blockchains emerging with the same vision as Ethereum, such as EOS, Polkadot, Cosmos, Avalanche, Polygon, etc.
Competition and cooperation are inevitable for the development of various industries, and the same is true for the blockchain industry. Only through competition can we continue to innovate.
In the future, Ethereum will not be "one super, many strong", but will inevitably form a situation where multiple chains coexist. Different public chains and different infrastructures will have some differentiated competition, and finally these different chains will be connected through cross-chain technology.
When asked about the future development of blockchain, He Yifan, executive director of the BSN Development Alliance and CEO of Beijing Hongzao Technology Co., Ltd., looked forward to:
In 3 to 5 years, especially the operating system layer will become more and more mature. In this case, blockchain technology should become a conventional technology. If developers don't even know how to use traditional databases, they don't have to work at all. In 3 to 5 years, every developer should be able to use blockchain technology to build basic applications.

㈤ What is the concept of blockchain? Read it in three minutes!

On October 25, 2019, Xinwen Broadcast sent a very important signal: the country must vigorously develop blockchain. After that, blockchain has become an Internet celebrity, and the figure of "blockchain" is floating in the streets and alleys. In fact, many technology companies have already deployed blockchain technology.

Although blockchain is very popular, many people do not know much about blockchain.

What is blockchain?

Let’s first take a look at how Du Niang explained it. Network display: Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithms.

Why is blockchain called blockchain?

The blockchain is linked by blocks one by one, and the blocks are storage units one by one, which record the communication information of each block node. The blocks are much like the records of the database. Writing data every time creates 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?

Blockchain mainly has the following characteristics:

1. Decentralization: In the blockchain system, every node has equal rights. and obligations, there is no central control here. Decentralization has well established trust relationships with each other. Although there is no central management organization, people can collaborate with each other and trust each other. This mainly applies blockchainDistributed ledger technology.

2. Openness: Blockchain data is open to everyone. Except for some encrypted information that is not open, everyone can check the data here.

3. Independence: The entire blockchain system does not rely on other third parties. All nodes can automatically and securely verify and exchange data within the system without any human intervention.

4. Security: Blockchain has a certain degree of security and cannot be tampered with. Because everyone in the blockchain system has the same ledger, if someone wants to tamper with it, it is possible to forge a non-existent record only if they control more than 51% of the accounting nodes. Of course, this is basically impossible. This is mainly due to the core technology of the blockchain: the consensus mechanism. The consensus mechanism has the characteristics of "the minority obeys the majority" and "everyone is equal".

5. Anonymity: Many people think that if the blockchain is so open and transparent, will we lose privacy? In fact, no, although the transaction information in the blockchain is open and transparent, the identity information of the account is encrypted and can only be accessed with authorization.

Now let me tell you a story to help you better understand the blockchain.

There are three people in the family, mom, dad, older brother and younger brother. Last year, my father was in charge of the family's account books. He was responsible for all the family's income and expenses alone.

However, on the day of Double Eleven, my mother, who has always been frugal, wanted to buy herself a beautiful piece of clothing on a certain online store. When she checked the account book, she found something was wrong. It stands to reason that except for some money deposited in banks and financial management, the whereabouts of the daily consumption money at home are all in this account book, but no matter how you look at it, it is wrong. Some consumption is clearly not recorded, but is recorded.

Later, my father took the initiative to confess that he couldn’t help but buy a pack of cigarettes.

Later, my mother changed her strategy and the whole family kept accounts. Everyone recorded their monthly consumption expenditure in their own account books. Whenever there was a transaction or consumption at home, my mother would shout, "Book it," and everyone would record the transaction in their own books. This is the decentralized accounting model, where everyone is the center and everyone has a ledger.

The previous accounting model for dad was centralized accounting. If dad wanted to do something alone, it would be difficult for anyone to see it. The decentralized accounting model has solved the problem of centralization very well. The disadvantage of bookkeeping is that it is very difficult for dad to tamper with the books.

For example, if my father wants to take some money from the ledger and secretly buy cigarettes, the amount of money is limited, and if he wants to take the money, he has to change the ledger, but he only tampered with his own ledger. No, he had to change the accounts of three people including himself. And this is undoubtedly better thanIt’s hard to reach the sky.

So, many times my father had the idea of ​​smoking, but he had no choice but to give up the idea due to the current situation.

Are blockchain and Bitcoin the same thing?

In fact, blockchain and Bitcoin are not the same thing. It is just the underlying technology of Bitcoin. Bitcoin is the first digital currency applied by blockchain.

In 2008, Satoshi Nakamoto first proposed the concept of blockchain. In the following years, it became a core component of the electronic currency Bitcoin, serving as a public account book for all transactions. Blockchain was first applied to Bitcoin.

The origin of blockchain is to solve the problem of trust, and one of the most successful applications of blockchain is digital currency. Bitcoin is arguably the most successful application of blockchain so far.

What are the applications of blockchain?

The application of blockchain is actually very wide. In addition to digital currency, the future applications of Bitcoin are still very extensive. Blockchain technology has been widely used in different industries. Such as product traceability, copyright protection and transactions, payment and settlement, Internet of Things, digital marketing, medical care, etc., promoting different industries to quickly enter the "blockchain+" era.

1. Payment and clearing: Blockchain can abandon the role of transit banks, realize point-to-point payment, reduce transit fees, and accelerate fund utilization.

2. Product traceability: For example, if we buy a piece of clothing on a certain store, we can see the past and present life of this piece of clothing.

3. Securities trading: Traditional securities trading requires the coordination of four major institutions, which is inefficient and costly. Blockchain technology can independently complete one-stop services.

4. Supply chain: Introducing blockchain technology into the supply chain system, synchronizing information within the system can control all links, better complete division of labor and collaboration, and facilitate subsequent accountability.

5. Intellectual property rights: With copyright on the chain, our photographic works, musical works, literary works, etc. will become our information, and the ownership of the information will be confirmed and become our property.

㈥ Briefly explain what blockchain is

Blockchain is a term in the field of information technology. In essence, it is a shared database, and the data or information stored in it has the characteristics of "unforgeable", "full traces left", "traceable", "open and transparent" and "collectively maintained". Based on these characteristics, blockchain technology has laid a solid foundation of "trust" and created a reliable "cooperation" mechanism, which has broad application prospects.

On January 10, 2019, the Cyberspace Administration of China issued the "Blockchain Information Service Management Regulations". On October 24, 2019, during the 18th collective study session of the Political Bureau of the CPC Central Committee, General Secretary Xi Jinping emphasized, “use blockchain as an important breakthrough for independent innovation of core technologies” and “accelerate the development of blockchain technology and industrial innovation.” "Blockchain" has entered the public eye and become the focus of society.

On December 2, 2019, the word was selected into the top ten buzzwords of 2019 by "Biwenqiezi".

(6) What is the Lefu Chain blockchain? Extended reading:

Blockchain financial applications:

2016 Since then, major financial giants have also taken notice and launched blockchain innovation projects one after another to explore the possibility of applying blockchain technology in various financial scenarios. In particular, Puyin Group took the lead in pioneering the “blockchain+” standard digital currency.

The standard digital currency is an asset that has been identified, evaluated, confirmed, insured, etc. by a third-party organization and written into the blockchain through rigorous digital algorithms to form a standard correspondence between the asset and the digital currency. relationship, called a standard digital currency.

In order to realize the great leap forward development of blockchain finance, in order to promote the new development of China's economy, accelerate the circulation of global assets, and realize the dream of rejuvenation that generations of people have been striving for, Puyin Group will Puyin Blockchain Finance Guiyang Strategy Release Ceremony was held in Guizhou on the 9th;

At the meeting, the digital circulation of assets through blockchain, the blockchain financial transaction model, and the relationship between blockchain services and blockchain services will be discussed. The application of social public industries will be discussed. This conference will mark the beginning of the application of blockchain finance and the transformation and development of a new financial ecosystem.