Application and Prospect of blockchain
blockchain classification:
1 private chain
refers to the blockchain with certain centralized control. Only the general ledger technology of blockchain is used for bookkeeping. It can be a company or an indivial who enjoys the exclusive write permission of the blockchain. This blockchain is not very different from other distributed storage schemes. The participating nodes are only users themselves, and the access and use of data have strict authority management. Due to the existence of centralized control, alliance chain can also be considered as a private chain P>
features: because the user has the final say, the data inside can not be changed, and there is not much protection for the third party. Generally used for internal audit. The vice president of fire coin technology believes: there are indeed a large number of scenarios in the private chain that can meet the needs of the real world. Limited decentralization makes it easier to reach a consensus, which can make the transaction faster and more efficient, and can provide more controlled functions. Decentralization is the core value of blockchain technology. If the private chain can not make full use of the decentralized trust base constructed by the public chain in practice, its development space will be limited
2public chain
public blockchain is the earliest blockchain and the most widely used one at present. It refers to a completely decentralized blockchain like bitcoin blockchain, which is not controlled by any organization. Any indivial or group in the world can send a transaction, and the transaction can be effectively confirmed by the blockchain, and anyone can participate in the consensus process. Participants in the consensus process maintain database security through cryptography and built-in economic incentives
features: completely open, uncontrolled, rely on encryption technology to ensure security
3 alliance chain
multiple preselected nodes are designated as bookkeepers within a certain group. The generation of each block is jointly determined by all preselected nodes. Other access nodes can participate in the transaction, but not the bookkeeping process (in essence, it's still managed bookkeeping, but it's just distributed bookkeeping. How many preselected nodes are there, How to decide the bookkeeper of each block becomes the main risk point of the blockchain). Anyone else can make limited query through the open API of the blockchain
the nodes participating in the blockchain are selected in advance, and the nodes are likely to have good network connections. Other consensus algorithms without workload proof can be used on such a blockchain. For example, a blockchain has been established among 100 financial institutions, and more than 67 institutions must agree to reach a consensus
Prospect:
the development of blockchain technology has also brought changes in the operation concepts of various instries. New technologies and new concepts have promoted the new development of various instries. This driving force has a huge impact on society and the promotion of economic activities. Many new instrial phenomena will occur one after another, and the public will wait and see, It is expected that this new technology will be used by all instries and benefit all instries better
according to the "2019-2020 global blockchain technology layout and business investment trend research report" released by AI media consulting, with the further liberalization of policies in the future, China's blockchain instry will usher in a stage of rapid development, and is expected to enter the first echelon of global blockchain instry in an all-round way< The importance of blockchain technology to a new round of instrial reform has been paid more and more attention. Major countries around the world have accelerated the research and development of blockchain technology. However, because the instry has not yet formed a unified technical standard system, the application and promotion of blockchain are still subject to many restrictions< Second, the barbaric growth has ended and the instry has entered a new stage
after the capital winter of 2018, a large number of blockchain enterprises have been eliminated, the overall popularity of the instry has declined, and the capital has returned to rationality, and the barbaric growth stage of the blockchain instry is coming to an end. In 2019, policy factors will pull the blockchain back to the development wind, and capital and talents will flow into the blockchain instry again. With the continuous advancement of application, supervision and standardization, truly competitive blockchain enterprises will graally emerge, and the instry will usher in a new round of rapid growth.
at present, the best application of blockchain should be proct traceability and financial supervision. As a trust technology, it is the best way out. But how many people are willing to break the social rules and make everyone's funds transparent under the premise of high profit fund-raising?
in 2019, the market scale of China's blockchain instry will reach 1.2 billion yuan
in 2016, the market scale of China's blockchain instry will be about 100 million yuan, and it will grow to 1 billion yuan by 2018.
in 2019, the scale of China's blockchain instry will grow steadily, with an instrial scale of about 1.2 billion yuan. With the attention and attention of local governments, it is estimated that by 2022, the market scale of China's blockchain core procts and solutions and related derivative instries will reach 10 billion yuan
from the research results, in terms of consensus mechanism, China's consensus mechanism graally moves from single algorithm to mixed consensus; In terms of cryptographic algorithms, cryptographic algorithms such as secure multiparty computation, homomorphic encryption and zero knowledge proof are continuously integrated and applied; The research of cross chain technology and security technology has graally become a research hotspot
from the perspective of blockchain hardware, at present, the world's most important digital currency mining equipment suppliers are all located in China, and only bitmainland, Jianan Yun and Yibang technology occupy more than 90% of the market share
from the perspective of instry application, the financial instry is the instry with the largest number of blockchain technology implementation projects and the richest scenarios, such as supply chain finance, asset certificate aromatization, credit reference and risk control
in 2020, the blockchain instry will be further standardized
in 2020, China's blockchain policy will continue to be favorable, the standard specifications will be more perfect, the instrial scale will continue to grow, the technology will continue to innovate and develop, and the application demonstration effect in key fields will accelerate. At the same time, according to the problems existing in the development of China's blockchain in 2019, CCID blockchain Research Institute puts forward six suggestions: accelerating the formulation of top-level design, establishing and improving the regulatory system, accelerating the innovation and development of core technologies, promoting the third-party evaluation and certification, strengthening the cultivation of professional talents, and accelerating the implementation of applications in various fields
- the above data comes from the analysis report of China's blockchain instry market outlook and investment strategic planning of foresight Instry Research Institute
in the Internet era, there is a database behind every system. This database can be regarded as a large account book. In the past, the person who maintained the system was responsible for managing the database and recording the user's behavior, that is, bookkeeping. However, the blockchain is "decentralized", which allows every member of the system to participate in it, not only everyone bookkeeping, but also through links, Everyone can have a complete account book
"blockchain is essentially a collective recording mode. What's special is that it adopts a set of techniques in an ingenious way to realize the authenticity and credibility of the recorded results, which is difficult to destroy and tamper with. " Zhang Xiaorong said, "first, everyone has the right to record and authenticate with each other to distinguish the true from the false, which is called consensus mechanism; Second, no one can tamper with the records, because there are cryptographic signatures; Third, everyone has a , so even if some account books are damaged, the whole will not be affected. This is called distributed storage. The information recorded in this way is presented in block mode according to the time chain, so it is called blockchain. "
various cryptocurrencies represented by bitcoin are originally an application of blockchain technology, which can be described as blockchain version 1.0. However, around 2014, the instry began to realize the important value of blockchain technology. Blockchain graally separated from digital currency and applied to various economic and social fields other than digital currency
it has broad application prospects
blockchain technology is considered as a disruptive innovation after steam engine, electric power and Internet. If the steam engine and electricity liberate the proctivity, and the Internet has changed the way of information transmission, the blockchain, as a machine for building trust, may change the way of value transmission
for example, in the financial field, the cost of reconciliation, clearing and settlement between financial institutions, especially cross-border financial institutions, has always been very high, and there are complex manual processes. The application of blockchain technology can help rece the cost of reconciliation and dispute resolution between financial institutions, and significantly improve the processing speed and efficiency of payment business, It also makes small cross-border payments possible. In December 2017, China Merchants Bank completed the RMB position transfer business from Hongkong Wing Lung Bank to Shenzhen Branch of Wing Lung Bank. This is the world's first interbank cross-border RMB clearing business based on blockchain technology
in addition, according to the white paper 2016 on China's blockchain technology and application development issued by the Ministry of instry and information technology of China, the application of blockchain has been extended to medical and health, ecation, charity, social management and other fields. Taking the cultural instry as an example, the low cost of reproction, the high cost of safeguarding rights, and the difficulty of providing evidence make the protection of intellectual property rights a pain point for the instry. With blockchain, the proction, dissemination and transaction records of cultural procts are true, transparent and reliable, and the problem can be solved
Zhang Xiaorong said that blockchain technology has solved two major problems in the era of Digital Economy: one is the visible flow direction, and the other is zero trust cost. In the past, the circulation of physical paper money was invisible, but the flow of all digital assets had a "chain" to check. Yang Yanchao, a researcher at the intellectual property center of the Chinese Academy of Social Sciences, also believes that the biggest advantage of blockchain is that it has truly completed the credit construction in an anonymous society, bringing new opportunities to many fields, thus making various innovative applications possible
there is a long way to go in the future development
in terms of technology promotion, there is no big barrier to blockchain, which has been confirmed in the global practice of bitcoin, and its main resistance comes from the obstacles in concept and implementation
"on the one hand, the society may be very concerned about the" naked "state in the blockchain. Blockchain has built a "Skynet" for the commercial society. The company's economic activities are all recorded, so there is no secret to speak of. In this way, some business strategies may not be implemented under the blockchain. "
"on the other hand, the current legal system lags behind the development of information technology, so how to put the emerging blockchain technology under the legal supervision needs to be studied." Duan Yongchao said
the core of blockchain is decentralization, which will have an impact on the long-standing central management model. In addition to the law, how to establish a regulatory environment that can promote the application of blockchain technology, so that the technology can benefit the society and not be used to do evil, is also an urgent problem to be solved.
There is no doubt that blockchain has development prospects, and the necessary condition for development prospects is to enter the mainstream market
North America blockchain infrastructure the oan (former aion network) founder and CEO Matt spoke published an article entitled "in order to successfully enter the mainstream market, blockchain projects must" eat dog food "in Forbes on July 24, in which Matt mentioned his views on how blockchain should enter the mainstream market - & quot; Eat dog food strong>
in the science and technology circle, there is a jargon called & quot; Eat dog food Dogfood (also known as eating your own dog food) refers to companies using their own procts and becoming users of their own procts. Many high growth companies (such as Microsoft, Facebook, Amazon, apple, Netflix and Google) also test their procts by "eating dog food" or help build credibility“ "Eat dog food" is often used to find and fix bugs, but it has another value: to create reliable use cases for the company's procts
this is worth learning from blockchain projects, because blockchain projects often hold & quot; Once built, they (users) will come naturally , which habitually leaves the responsibility of creating new and interesting blockchain applications to a third party
this attitude is very common, even the well-known blockchain summit consensus 2019 also held a conference entitled & quot; Once built, they (users) will naturally come: to build a global blockchain Center & quot; To discuss how governments around the world can make efforts to attract blockchain projects while balancing regulatory, investment and innovation needs
to be fair, this strategy may be effective for blockchains that only focus on people in the currency circle. For the security token, especially for the exchange represented by the transaction, it makes more sense - "supply creates demand" is the usual idea here, especially considering that the realization of these transactions requires the construction of complex infrastructure
in contrast, "eat dog food" is more likely to be adopted by blockchain project developers who seek mainstream audiences (such as those in financial instry, manufacturing and supply chain, identity management, etc.). If blockchain technology wants to enter these mainstream fields, blockchain companies must first "eat dog food". This can not only clearly prove that blockchain technology is feasible outside the coin circle, but also highlight that blockchain can not only optimize existing use cases, but also create new use cases
and the oan team has been adhering to this concept, and relying on the oan and aion's technology stack built over the years, it has developed a financial technology platform moves for independent workers
Matt said that in the development and development of moves, the team hopes that the relevant functions of the OAN blockchain network can be brought into full play, so it will focus on the following three aspects:
1. How to use the OAN blockchain network to improve the credit efficiency of the proct
there are two main considerations to improve credit efficiency: 1) can we use the mechanism of the defi market to rece the cost of capital; 2) Can the blockchain technology be used to increase the external trust in the credit process of moves. Here, moves will form a mechanism of "pooling wisdom", so that everyone can contribute to recing credit risk and increasing the credibility of credit process, and may even develop a micro guarantee mechanism in the future. Therefore, users will be able to participate in the market established by the platform as borrowers, lenders or guarantors
How to make the interests of procts and users consistentspecifically, by connecting moves with the oan network, and with the help of digital asset aion, a relationship of interest consistency is formed between procts and users, so that users can personally experience the success of moves procts and directly participate in the oan, a blockchain network supporting moves
3. How to create the first open system of financial reputation data with moves
this open system may become a substitute for traditional credit scores or related mechanisms. Over the years, banks and financial institutions have been using Equifax, Fico or other similar institutions' scores as risk indicators, and the moves team believes that the procts they are building will be a good start - the beginning of a more perfect and modern financial reputation system. This is a long-term goal
moves supports North American mainstream carpooling, take out and other casual work economic platforms, and will be the flagship open application developed by the oan on its blockchain network. In June, moves expanded its operations from Ontario to Alberta and British Columbia into western Canada
all the initiatives of the oan team adhere to the spirit of "eating dog food" and strive to make blockchain technology enter the mainstream market as soon as possible. Blockchain is not for the minority, but for the mainstream. In addition to the oan team, many projects and institutions in the blockchain instry are also aiming at this goal. Can you say that such an excellent and targeted blockchain has no development prospects
a day ago, Sheng Songcheng, counselor of the people's Bank of China and executive vice president of China Europe Lujiazui Institute of international finance, also said that the future of blockchain is to serve the real economy“ If blockchain and virtual currency are combined, and blockchain is mainly focused on virtual currency, I don't think blockchain will have a future. " Sheng Songcheng said
Li Lihui, head of the blockchain research working group of China mutual Finance Association and former president of Bank of China, believes that the future development direction of blockchain is large-scale application. In his view, how to achieve large-scale application depends on four factors: efficiency, cost, reliability and safety, and system
Zhu Min, former vice president of Bank of China, central bank and IMF, and now president of National Institute of finance of Tsinghua University, said at the Boao Forum: "when talking about blockchain, we should first separate blockchain from bitcoin, which is not a concept. As a technology, blockchain is revolutionary and unlimited in the future. Blockchain technology will have great application prospects in the future, and the future is very good. "
"the combination of blockchain and virtual currency has no future"
as early as 2014, Sheng Songcheng published an article in an authoritative journal, explaining that virtual currency is not currency in essence from the origin and essence of currency
in his view, if virtual currency overflows, monetary policy can not be implemented, and monetary policy is one of the main means of macroeconomic regulation and control in the world
according to him, when virtual currency first came out, the attitude of central banks was not unified“ But up to now, we have basically unified our views, at least we do not recognize it as currency, because it will hinder the implementation of the whole monetary policy. " Sheng Songcheng said< As early as November 20, 2013, Yi Gang, who was also vice president of the people's Bank of China, first talked about bitcoin at a forum. At that time, he said that from the perspective of the central bank, it was impossible to recognize the legitimacy of bitcoin in the near future. However, he also believes that bitcoin trading, as a kind of trading behavior on the Internet, ordinary people have the freedom to participate
at that time, Yi Gang's statement was interpreted as good news by some bitcoin investors. They believed that although the regulatory authorities did not recognize the legitimacy of bitcoin, they did not characterize it as illegal and would not directly interfere in the trading of bitcoin. But unexpectedly, the price of bitcoin fell to 4150 yuan the next day.