Another data exchange has taken place, what role can blockchain play in data exchange?

On November 25, Shanghai Data Exchange was launched, now has nearly 20 business data in our country.

With the rapid development of the next generation of information such as Big Data, Internet of Things and Information Technology (AI), information has become an important resource and significant changes in the digital age. Our country released "Considerations for Creating Market Segmentation Based on Quality and Efficient Equipment" last year, and at the same time said that the market should be developed and improved under the "14th five-year plan". Share information policies on content, data handling and use, privacy and public safety, and make data up-to-date and accessible. Establish procedures and standards for proprietary information, exchange, transmission and security protection. The creation of company history has become a new topic in our time.

Since the start of our country's first data exchange in 2015, the historical data industry is still in the early stages of development, no successful model compliance, and data validation, confidentiality and privacy protection are also our main bottlenecks. This is something that needs to be fixed quickly. Since blockchain has such functions as data tamper protection, data encryption, and smart encryption, it is hoped that it can solve the above problems. Group 18 research conducted by the Central Committee Politburo also mentioned the role of blockchain in promoting information sharing, improving business processes, reducing operating costs, improving efficiency, collaboration and building trust. Below we will see how blockchain can play a role in solving our problem above.

Data authorization is a prerequisite for the creation of commercial product data. Legal information is divided into ownership and management. Data management rules include who can use the data, how we use it, and whether we may share more information with the outside world. Commercial material publishes information using non-proprietary copyrights.

In the blockchain, data that is not blockchain-specific is written to the blockchain, usually in the form of a hash digest. An important role of the string hash digest is to preserve evidence and increase the accuracy of the original data. This format usually proves two things when downloading blockchain data: that the old file exists and that the downloader knows about the old file. In this mode, blockchain technology can play an important role in data collection and authorization, for example, blockchain data collection, authorization, call and history access, especially for post-incident investigations for refusals. Brand.

It should be noted that what the blockchain can guarantee is the authenticity of the data recorded on the blockchain, in order to ensure the authenticity of the original data, the integration of the blockchain and the old output such as the Internet of Things is needed. IoT devices capture data in real time, and site accuracy and precision are widely recognized. Most IoT devices can perform hashing algorithms and signatures for public and private keys, and on the Internet of Things information chain, most information is sent to the chain as a hash digest . Therefore, in the "blockchain Internet of Things" mode, impact work can be accomplished through IoT devices, which optimize and reduce the impact on humans. For example, Wanxiang Blockchain uses a combination of IoT and blockchain to create a "PlatONE BoAT IoT Authorization Platform" which can digitize and invest in global physical value online.

However, data storage is not the same as legitimate data, which is why blockchain and cryptographic technologies (such as authentication, isomorphic encryption, secure multiparty computing, etc.) can be used to manage the data. For more complex applications, short-term analytical results have been developed. As long as this short proof is confirmed, it can determine that a counting operation has been performed correctly and no countdown work is needed. In homomorphic encryption and secure multiparty operations, ciphertext is used instead of plaintext when data is stored externally. These cryptographic technologies enable the transfer of information using the law without compromising data ownership and management, thereby creating a legacy foundation for businesses. At the same time, with the addition of encryption technology, data integration can be achieved on the personal data protection site, saying "data is not visible". , so the deletion of some data raises concerns about the leakage of their personal data.

Of course, in addition to the use of technology, device data rights must be defined by the design company, such as EU data protection in general.

When the data is secure, it must be exchanged, otherwise the data will be useless. According to Zou Chuanwei, CFO of Wanxiang Blockchain, business history information will be shared in full, and some "middlemen" such as banking information and trust information will be key points. (For more details, see "Preliminary study of the characteristics, values ​​and functionality of the concepts"). How can we help achieve this value shift cheaply, simply, and quickly in a decentralized data enterprise? Blockchain smart contracts are the most needed tools.

At the same time, blockchain can play an important role in price distribution. Consider being able to link an IoT device ID to a wallet or similar address number to the IoT module embedded in the blockchain and rely on efficient data storage, transfer, and mining and processes. interactions in IoT beliefs. , data exchange via IoT devices, including digital banking. Owners of IoT devices will collect more "freebies" as IoT devices continue to provide better information to the market. This financial support will support the collection and use of IoT data.

The application of blockchain and other technologies in the information industry is still in the research stage, and since the history of the information industry itself is in its infancy, many important issues are still unknown, so the needs presented in this article are: everyone to discuss.