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Hangzhou blockchain international week Tencent cloud blockchain Li Li: blockchain enables the circulation of data elements and helps the high-quality development of digital economy BTC

On July 5, the \ Blockchain is the connector of industrial Internet. The

blockchain is helpful to maximize the value of data, and to the promotion of data reality and data fluctuation.

The

blockchain is an ideal tool for data production factor and data capitalization.

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Share with experts Tencent cloud blockchain some thoughts on the new wave of digital economy and blockchain industry. As for how blockchain plays its first role in the development of digital economy, we will look at it from three angles: 1. The development of digital economy is the basic strategy of our country; 2. Blockchain can be in line with this strategy; 3. Tencent's digital link products, how to make blockchain play its value in the industry.

  1. Digital economy has become the main theme of the times  

digital economy has become the main theme of the times. According to the notice on the development of China's urban digital economy, digital economy has gradually become one-sided in China's economy, and it also shows the transformation from Internet consumption to industrial Internet that Tencent has chosen. The real value of consuming the Internet is not only to create economic growth for us, but also to accumulate and implement a large number of practical experience of emerging technologies. If these practical experiences are applied to the industry, they can give the industry special benefits.

The

blockchain is the connector of industrial Internet. Tencent is a consumer Internet company that has made a special profit. How can Tencent serve the profit industry in the next 20 years? In the process of digital economy development, we should use emerging technologies in many industries, especially in specialized traditional industries. The combination of the Internet and traditional industries is the main measure for the development of digital economy. What role can blockchain play in the first place?

with the development of the digital economy, whether it is the consumption of the Internet or the industrial Internet, they have formed a large number of data in each industry. How these data play its role is a topic of constant exploration in the industry and government. In the past, factors of production included human resources, capital, etc., and the data were quite different from those of the previous ones. They were not related to a parallel relationship. Data was not a substitute for capital capacity. It was a factor of production in another dimension. Its greatest feature was to play a multiplier effect.

There are many data elements in many industries. How can the large amount of data accumulated by traditional industries such as finance, government affairs, medical treatment, Tianjin's fast three play method, and industrial energy can give full play to the multiplication effect of data elements? I think the most important point is circulation and sharing. Because only the data in circulation can play its greater value. The research on several challenges faced by the data circulation of the notice mainly restricts the display of the value of the data. Recently, some big data and artificial intelligence experts have been added to the Tencent cloud blockchain team. Artificial intelligence is also the main one-sided fast three play method of Tianjin in the new infrastructure. Why are they willing to join the blockchain team first? An expert believes that big data and artificial intelligence are processing data, but the source of data is problematic. For example, bad data makes the enterprise consume 15-25% extra cost. With the increasing amount of data, the consumption will become more and more important in the case of effective governance in foreign countries.

A large amount of data has been accumulated in the process of digital transformation, which has played a very beneficial role in the process of digital transformation for the first time. However, these data often form data islands. It is very difficult for us to do further data circulation and comprehensive data management. Many big data and artificial intelligence investment projects have not reached the original expectations in other countries, and the value of data elements has not reached the expectations in other countries, because the authenticity of data and the solemnity of data circulation are not enough.

  2. Blockchain helps maximize data value %We believe that in the case of digital transformation and data increase just now, blockchain can help to maximize the value of data and promote the two aspects of data reality and data fluctuation.

Some basic points of

blockchain: distributed network can increase the solemnity of the system; its consensus mechanism ensures the opposite of data, and experts expect that the data is really solemn; it experiences cryptography technology to ensure business privacy; we can experience hashing, public and private key encryption or signature, to ensure privacy; intelligent compliance, it uses a Automation means to ensure the real value.

The

blockchain is an ideal tool for data production factor and data capitalization Breaking the isolated data island, through multi-party participation means, the data is shared and stored in multiple points to maintain the total amount of data that can not be tampered with; A big problem of the original around the data circulation is that the data itself is highly reproducible and analyzable. Besides the ability to tamper with, infringe upon, and experience the blockchain, the original can refresh the ownership of the data; To upgrade the quality of data, blockchain is not only a technology, but also a technical framework and system. Through this system, we can upgrade the quality of data, organize the data itself before data exchange, and clean up the logarithm; To ensure data integrity, differential privacy, homomorphic encryption and other encryption technologies can realize the priority of data news and fulfill the obligation of data calculation; It forms a regulatory closed-loop, that is to say, through the blockchain technology, we can introduce regulators in the alliance, and the data that the regulators expect is actually manipulated by experts. As far as the regulator is concerned, the regulator can easily obtain the data we choose to supply it, and it can do more analysis and more witness inside; To bring the value of data into play, we have experienced the blockchain technology to put data circulation and data reality in the first place, and then the data will have value. Bob Metcalfe, one of the founders of Ethernet, has a saying: after all computers are connected to the Internet, the larger the area around the network, the higher the value of computers. I think his interesting is that only the higher the level of multi-party data participation, the value of data can be increased exponentially.

  3. Tencent's cloud data link opens the digital economy bridge Based on the blockchain technology, Tencent cloud digital link has opened up a digital economy bridge and built a multi-party participation mechanism for trusted data sharing. Blockchain is a distributed multi Central solution, which can connect the supplier of benefit data and the demander of data, as well as regulatory units and other peripheral units. All parties in the whole chain to carry out group data transmission match, so that all accounts, business, data are in the alliance, mutual trust, mutual recognition, seamless flow.

This is the solution of digital link, which solves the problems of data storage and data circulation in the industry based on blockchain. Many times we expect blockchain solutions to be as easy as possible. What is Tencent cloud's blockchain looking for? First of all, our strategy now is to become the industrial Internet connector, expecting the blockchain to become the infrastructure of the industrial Internet, and in the process of solving the real problems, there are too many invasive understandings. When the industry encounters data problems, it can manipulate the blockchain to solve this problem, and this solution is replicable, which is the real value of blockchain.

The

digital link solution is the basis of many industrial solutions. For digital link, we are a blockchain that has experienced alliance. We combine the blockchain capability + identity management + whole process trace, intelligent Compliance Agreement and global credible data consensus together to form the foundation of mutual trust of the alliance. Through such a foundation, we have three means to do data exchange. The first method, which is also the simplest one, directly transfers data on the chain through asymmetric encryption, which can be easily understood by experts, which is more suitable for young batch and special central data; the other is based on the dissemination of healthy news and key restricted news on the chain, and the data flow goes through the data channel to obtain a large amount of data; the third method is based on the spread of healthy news and key restricted news on the chain We are actively developing a trusted computing method, and expect this data to be in a trusted environment in the whole process of circulation.

briefly summarize the design principles of Tencent cloud blockchain digital link Authorization must be obtained before data manipulation; The ownership and visibility of the data is controllable. That is to say, my operator can manipulate the data, but can not get full access to the data. In trusted computing, we choose code and data. For the operator, we can get the effect after calculation, but we can't get the data itself; The whole operation is traceable and traceable. Summarize the data link platform: First of all, it is opposite to the data. It supports a variety of data disclosure means, including data recording, metadata description, data sample, etc., which can be obtained on the chain. It realizes the privacy of data, experiences the real-time calculation of data, adds the data content and effect into the chain, connects the authorization on the chain and the authority under the chain, and realizes the data privacy on the chain. The support theory is consistent with modeling and reliable and calm computing, that is, the industry's relatively popular trusted computing solution - multi party access to the data operation process, will not have any impact on the data owner and data leakage. To realize the circulation of data content and data value, with the solemn circulation of data, the value of data will really play out, and it will bring the value into the exchange of special interests. The most important point is that the whole process of operation can be traced. Through the operation of traceability, we can master the whole process of data link, data processing and data exchange in the process of re inventory, supervision and various policy requirements. We expect that the combination of blockchain and industry is to solve the problem of industry with blockchain. In the process of using blockchain to solve industrial problems, the form of foreign turning block chain itself is consistent with the completion of industrial problems, rather than forcing industries to use blockchain to solve unsolved problems. I will introduce a case, medical health chain. The idea of \