区块链的信任基础是什么,区块链的信任机制是什么意思
区块链的信任基础是一种分布式账本技术，它可以让参与者以安全、可靠的方式进行数据交换和交易。它的信任机制是指，在区块链网络中，所有节点都可以参与投票，确认交易是否有效，从而形成一种共识机制，从而确保网络的安全性。下面，我们将拓展三个与区块链信任机制有关的关键词：去中心化、共识机制和分布式账本技术。
去中心化是区块链技术的核心理念，它将信息存储分布在不同的节点上，而不是集中在某个中心化的服务器上。这种去中心化的架构，可以有效地防止数据被篡改，同时也可以防止网络被攻击。去中心化的网络，不需要依赖任何中心化的机构，它的运行完全依赖于网络参与者之间的友好协作。
共识机制是区块链技术的核心，它是指网络中所有参与者都可以参与投票，确认交易是否有效，从而形成一种共识机制，从而确保网络的安全性。这种共识机制的优势在于，它可以有效地防止网络被攻击，以及数据被篡改，同时也可以保证网络的透明性和可靠性。
分布式账本技术是一种基于区块链技术的分布式数据库，它可以让参与者以安全、可靠的方式进行数据交换和交易。分布式账本技术的优势在于，它可以有效地防止数据被篡改，同时也可以保证网络的安全性。它的特点是，它可以将交易数据存储在网络中的多个节点上，从而使数据更加安全，更加可靠，同时也可以更好地支持网络的可扩展性。
总之，区块链的信任机制是一种基于去中心化、共识机制和分布式账本技术的安全机制，它可以有效地防止数据被篡改，同时也可以保证网络的安全性和可靠性。请查看相关英文文档
① What is the difference between DeFi in blockchain and traditional finance?
What is the difference between DeFi in blockchain and traditional finance?
Traditional finance:
Traditional finance mainly refers to financial activities that only have the three traditional businesses of deposits, loans and settlement. The broad life cycle cost also includes usage costs, waste costs, etc. incurred by consumers after purchase. Simply put, finance is the financing of funds.
Challenge traditional finance and build the Farad ecosystem
1. Vision - Targeting professional investors around the world who have investment allocation needs in the secondary market of digital currency Perform services
2. What is D eFi?
DeFi, the full name is Decentralized Finance, which is "decentralized finance" or "distributed finance". "Decentralized finance", as opposed to traditional centralized finance, refers to various financial applications established in open decentralized networks. The goal is to establish a multi-level financial system based on blockchain technology and cryptocurrency. as a basis to re-create and improve the existing financial system.
3. The difference between DeFi and the traditional financial system:
Difference 1: Conditions for survival
Traditional The survival conditions of the financial system depend on the financial environment, national policies, international situations, and the strength and authority of large financial institutions. Affected by various factors, the possibility of collapse is high. Once it collapses, the impact will be huge. For example, when the historic Lehman Brothers went bankrupt, the country was no exception. The collapse of Venezuela’s monetary system; the U.S. subprime mortgage crisis of 2008-2009, when the government and private lenders issued trillions of dollars in loans or mortgages to high-risk borrowers, had disastrous consequences. These have had a devastating impact on tens of thousands of people, and once the trust system collapses, comprehensive measures need to be taken to save it and prevent the chain reaction it will bring.
In contrast, decentralized financial systems live and die by their protocols, cryptography, and intelligence.The strength of the contract. The influence of external factors is minimized.
Difference 2: How to apply for a loan
In traditional finance, the process of applying for a loan is as follows:
In this system, traditional finance uses personal information As a reference as a criterion, the maximum subjective trust criterion is given.
But in Defi, the entire process is completely automated and decentralized.
Difference 3: How credit ratings are generated
Credit ratings under traditional finance rely heavily on subjective evaluations and have cumbersome procedures. After a series of background asset investigations, credit ratings are still highly uncertain. Coupled with the general environmental impact of the economic cycle, lending institutions under the boom cycle speculated wildly, ignored risks, and pushed the danger to the extreme. During the recession cycle, the review system was strengthened to the extreme, but those who needed the most loans were excluded from screening. The disadvantage exposed in both contexts is that the assessment of credit ratings cannot lend money to those who are most in need and of greatest value.
So, the disadvantages of traditional finance:
1. In order to control risks, relying on a subjective review trust system does not have enough conditions to accurately assess the credit of a large population. grade.
2. Due to national/geographical/policy restrictions, the traditional financial model cannot provide individuals and companies with good credit or history of lending channels around the world.
3. The strictness of the traditional financial model has given rise to models such as loan sharking that do not produce a virtuous cycle of development for the market economy; if investors of all sizes want to become lenders, the usual model is to purchase Stock assets.
In order to build an environment with a lower risk index and enable more people to use lending equally, Farad hopes to perform a parallel function: they pool assets and make them available to borrowers. The main business implemented is similar to a bank's "mortgage lending". Users can mortgage their assets in the agreement to obtain annualized returns, while the lender of the assets needs to pay corresponding interest.
4. Farad operating mechanism
Farad is a decentralized asset management platform. To learn more, please click https://www. farad.vip/
② Blockchain and Distributed Credit
Guest: He Ping, Professor, Department of Finance, School of Economics and Management, Tsinghua University, Director of China Financial Research Center
Blockchain can address the shortcomings of centralized systems and establish decentralized or weakly centralized platforms based on emerging technological paradigms to promote innovations such as credit assessment, traceability, and consensus under new technological paradigms. Research and development is based on A credit management platform for new technology paradigms, so this is the huge value that blockchain may bring to the financial sector.
The distributed credit that blockchain may bring is divided into four links, one is distributed credit generation; the other is distributed credit transmission; the third is distributed credit evaluation; the fourth is distributed credit supervision.
Distributed credit generation uses the advantages of distributed accounting methods and data standardization to reshape the credit generation and recording process from the source to achieve "unforgeable" and "untamperable". The standardization of data can ensure the uniformity and comparability of all credit records. The participation of multiple nodes in verification can ensure the accuracy of the information in the records. Distributed storage greatly guarantees the security of information.
Distributed credit transfer is a technical business platform through blockchain technology, allowing each credit subject to transfer its own credit. The most important thing in credit transmission is to trace the source of the credit and whether it is reliable, leaving traces throughout the process. The credit of core enterprises can be transmitted downstream or upstream through the supply chain. In the future, more important credit transmission may come from more participants, which can be investors, consumers, financial institutions, core enterprises, and blockchain The chain can ensure that credit transmission in the supply chain will not decay.
Distributed credit assessment means that we can collect various types of data through blockchain technology, such as industry and commerce, litigation, taxation, etc. The source of these data is the subject of each credit assessment, and the credit needs of the subject are assessed. Evaluation, and can use blockchain technology to perform cross-validation and zero-knowledge proof on the premise of ensuring information security and privacy, and achieve trust consensus under the premise of privacy protection.
Distributed credit supervision uses blockchain technology to supervise, punish or reward credit subjects in all aspects of social life to achieve collective maintenance of credit. At the same time, joint punishment will be carried out. In the future, the scope of punishment, supervision and collective maintenance can be further expanded through blockchain technology.
Distributed credit is completely different from the traditional centralized credit system. It can alleviate the problem of difficult and expensive financing for small and medium-sized enterprises and promote the transformation of important economies into innovative economies. It helps to price credit risk more accurately, facilitates the allocation of credit risk, reduces credit risk through credit supervision, and controls the risk of the entire financial system. In the future, the centralized model and the blockchain distributed application model will inevitably be good at each other and complement each other. Blockchain distributed credit will complement and improve the centralized system and will play an important role in improving China's financial system and even the international financial system.
③ What is blockchain and how to introduce it in a simple and easy-to-understand way?Blockchain
Many people don’t know what blockchain is. Here is a detailed introduction to you. Blockchain is a new technology that subverts the old model. It is just as invisible but indispensable as people tend to ignore it. Like oxygen, people often ignore the most important thing in the market economy, that is trust. Without trust, no transaction can be established.
In addition, different races, nationalities, cultures, religious beliefs, etc. will form a trust gap. Due to the lack of mutual understanding and necessary trust between strangers, transactions are difficult to occur. The market economy emerged in large numbers among strangers. The emergence and development of the market economy lies in the birth of a new mechanism, which solves the problem of trust between strangers.
The concept of blockchain was first proposed in a paper written by Bitcoin founder Satoshi Nakamoto in 2008. Blockchain can be understood as a kind of public accounting. Technical solution: All data will be open and transparent, without the need for a central server as a trust intermediary, thus ensuring the authenticity, immutability and credibility of information on a technical level. The immutability of data is very important.
Because the blockchain has the technical characteristics of large-scale expansion, open and transparent data, and because the data of each client is consistent, even if some clients are destroyed, it will not affect the reliability of data security. In particular, it can effectively solve the problem of trust between strangers, so this technology can be extended to all areas that can be digitized, such as digital currency, payment settlement, digital bills, proof of rights, credit information, government services, medical records, etc. If blockchain technology develops, it will be closely related to everyone in the future.
④ The difference between blockchain trust and existing trust
The differences are as follows:
1. The essence of blockchain is a distributed storage balance account book. It has the characteristics of decentralization, non-tampering and traceability.
2. These features have great application value for using closed date technology to build a new trust model in the future.
⑤ Principle of Blockchain
Blockchain is a technology, but it is not a single technology, but the result of the integration of multiple technologies, including cryptography, Mathematics, economics, network science, etc. You can think of it as a distributed shared accounting technology, or as a database, but this database is jointly maintained by all nodes on the chain, and each node has a ledger, because all nodes The ledgers are consistent, different nodes can trust each other, and there is no doubt about the data, so everyone says that the blockchain has technically achieved trust. For detailed professional technology, you can consult some professional technology companies. For example: Jinbo Technology, which focuses on developing blockchain-related products, has a professional R&D team and complete after-sales service. You can call for consultation.
⑥ What are the advantages of blockchain traceability compared with other traditional traceability models?
Traditional traceability systems generally use a centralized ledger model, which is dispersed and isolated by various market participants. Locally recorded and saved, it is an information island model. In the centerUnder the ledger model, who acts as the center to maintain this ledger becomes the key to the problem. Whether it is the source company or the channel provider, since they are all stakeholders in the circulation chain, when the ledger information is not beneficial to themselves, It is possible to choose to tamper with the ledger or falsely claim that the ledger information is lost due to technical reasons.
Under the information island model, each market participant maintains a ledger on his own. This ledger is commonly known as a ledger, and after being digitized, it was named the purchase, sale and inventory system. Whether it is a physical ledger or an electronic purchase, sale and inventory system, the owner can tamper with it or make it up at will. Blockchain's real-time reconciliation capabilities in registration and settlement scenarios, and its immutability and timestamp capabilities in data storage scenarios provide powerful tools for traceability, anti-counterfeiting, supply chain finance, and supply chain management scenarios.
Hongqiao Hi-Tech’s blockchain industry-specific application design uses the integrity and correlation of trusted transaction data to form a closed-loop self-certification capability for data on the chain. Used to verify the authenticity of digital documents and transaction records, and to track the origin of products and merchandise throughout the supply chain. This data proving product authenticity and origin is generally used by businesses and financial institutions in the assessment and processing of credit and loans.
⑦ Is blockchain operation the same as traditional operation?
In fact, there is not much difference from Internet operation. It mainly depends on the nature of the blockchain project.
Well, I am a blockchain operator.
Yes, I am engaged in operations work in the blockchain technology industry, covering community operations, user operations, and content operations.
Are you a little confused that blockchain technology is developing steadily, but the blockchain industry seems to be ups and downs? Blockchain operations are also being explored in constant changes. Me too.
The following is my confession.
1. Neither sad nor happy, price is not everything
When operating in the blockchain industry, price must be discussed. Ups and downs are common, and ups and downs are also a daily occurrence. If you don’t have a mentality of not being surprised, you may not be able to withstand such changes when operating in the blockchain industry.
2. Work is still work, no change
What is operations? Compared with the early Internet industry, when most operations in the industry are still relatively shallow community operations, what we can do is better than the average level in the industry. Operations are still operations, and because this is the blockchain industry, the nature of operations will not change.
3. Although it is an exploration, there are still routines
In the process of operations in the blockchain industry, you will find that some operations still stay at the level of simple community operations or user operations, and even call them It is not just user operations, but some operations can turn around, upgrade and iterate their own operation routines, have their own insights into the development of the industry, and explore their own blockchain operation methodology.
4. Professional level, top-notch ability
What is professional? On a ten-point scale, make it twelve points. If there are traces to be followed for operations in the classical Internet era and there are ways to go about the operation methodology, then the operations of the blockchain industry are based on the operations of the classical Internet. The changes in the blockchain industry are no less than the changes in the early days of the Internet, and even worse than the changes in the early days of mobile Internet, O2O and other products. What we need is not just professionalism in operations, but top-notch capabilities.
5. Figure out what you want
Most people who enter the blockchain industry are fancying the unlimited opportunities contained in this industry, and even cross directly from unrelated industries. Coming from across the border. No matter what career background you had before becoming an operator in the blockchain industry, I believe this industry will bring you what you want. But the question is, before entering this industry, have you really figured out what you want?
6. Your core competitiveness and how to continue to improve
Whether you are operating in the classical Internet industry or the blockchain industry, the continuous exploration, strengthening and continuous improvement of core competitiveness are the key to We have to do it. Since you are good at it, dig deeper. When there is not much difference at the starting line, dedication is the only key.
The development of a new thing still needs to go through many detours, and the development of an emerging industry will also inevitably go through many critical nodes.
If you want to eat crabs, you have to use your own skills, right?
⑧ What is blockchain technology, what are its benefits, and what is building digital trust?
The recent surge in value of digital currencies since their first appearance in 2009 has triggered a surge in the security field discussion on the benefits of blockchain. Blockchain is a technology that can facilitate the type of trust that is sorely lacking in certain digital transactions.
Today, people are exchanging cryptocurrencies at an increasing rate. But what makes cryptocurrencies so trustworthy? The answer is simple: everyone has their own blockchain.
What is blockchain technology, what are its benefits, and what is building digital trust?
Shifting the Burden of Trust
When we deposit money somewhere, we trust that it will not modify our account. Likewise, when we make a retail transaction, we expect to get enough goods in exchange for the money we spend. By adopting blockchain, cryptocurrency providers have removed the burden of trust from third-party financial institutions
Blockchain is a peer-to-peer network database that breaks each transaction into its own blocks. In addition to cryptocurrency transactions, these blocks can also contain other sensitive assets such as identity information, patents, land titles, medical data, and more.
What is blockchain technology, what are its benefits, and what is building digital trust?
Once transactions are grouped into a block, a hash is assigned to the block so users can easily detect changes to the data. A block may contain a hash of the previous block, creating a block of blocks. This allows security professionals to trace the blockchain back to the first block or the genesis block when an attacker attempts to modify a transaction. Any changes will alter the hash of the block, requiring a potential threat actor to modify all blocks in the chain to complete the attack. For this reason, most cybercriminals believe that attacking blockchains and targets is unrealistic.
More benefits of blockchain
The blockchain is distributed among all participating nodes in the network, so anyone who joins the network can access the entire blockchain . Participants can collectively assess the effectiveness of the entire chain, meaning a potential attacker would need to control more than half of the participants to alter the final blockchain.
The mechanism of this consensus varies depending on the blockchain implementation. For example, one of the most hyped coins uses proof of work, which is a mathematical challenge that participants must solve in order to add a block to the chain. Other methods include proof of stake, proof of activity, and selective endorsement, each with its own advantages and limitations.
By examining the blockchain’s audit trail, participants can see a complete record of who owns a given asset, coin or token throughout its lifecycle. In other words, they can trace an asset’s origins and past transactions. Public key encryption further ensures non-repudiation and confidentiality.
No Limitations
Today, blockchain is often used as a currency ledger to facilitate smart contracts and identity management. In addition, there are projects building database networks that use distributed technology to serve supply chains, real estate, voting systems, and more.
After all, a technology actually guarantees trust between participants and provides visibility into sensitive transactions. As encryption becomes more popular and the need for verification increases, blockchain technology will also get greater improvements
