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Blockchain transmission protocol,The personal information protection law is about to be implemented. This blockchain scheme provides a new mode for the implementation of personal information portability

Time : 13/03/2022 Author : z8bafq Click : + -
        The highly concerned personal information protection law will come into effect on November 1. How to fully release the value of the majority of personal data on the premise of legality and compliance?. For this problem with a high degree of difficulty, at the 7th Wanxiang blockchain global summit, Ma Zhitao, vice president and chief information officer of Weizhong bank, proposed a solution based on blockchain Technology & mdash& mdash; Distributed data transfer protocol (DDTP). In the traditional data authorization mode, users need to authorize the data custodian and the data application respectively, and then the authorized use of data is realized by the agreement between the enterprises.
        In such a three-tier authorization mode, users are in a relatively passive position, which is easy to be "coerced" by enterprises because it is not completely transparent. Article 45 of the personal information protection law, which will be implemented soon, stipulates that if an individual requests to transfer personal information to the personal information processor designated by him / her, and the personal information processor meets the conditions specified by the national network information department, the personal information processor shall provide the transfer channel. Ma Zhitao believes that the establishment of Personal Information Portability reflects the legislative thinking of returning personal information rights to individuals, and gives individuals the right to actively transfer personal information among enterprises. How to use innovative technology to explore a new mode of personal information portability is the key next step.
        In fact, the right to carry personal information has been practiced abroad. In Ma Zhitao's view, in recent years, two different development models of Personal Information Portability have been formed in the world: platform led and government led. The representative projects are the DTP (data transfer project) model initiated by American technology giants and the "mydata" model led by the Korean government. However, these two models lack of reliable verification mechanism and incentive mechanism, and have different limitations in secure storage, trusted transmission and collaborative production. With the development of domestic digital new infrastructure technology, new opportunities have emerged for the exploration of personal data portability.
        He believes that China's new model should give users the right to choose the storage mode. At the same time, it also needs to solve the problems of personal information authenticity, personal rights protection and trust mechanism, as well as the cooperation of personal information in cross industry and multi scenarios. In view of these problems, the distributed data transfer protocol (DDTP) emerged as the times require. "DDTP can be completely led by individuals and follow the distributed concept. It does not need to be agreed in advance by participating institutions, nor does it need to rely on the promotion of a single central institution. It can realize cross agency, cross scenario and cross business data level cooperation.". It is understood that DDTP is led by the golden chain alliance, Guantao Zhongmao law firm, and financial technology & middot; Micro insight, etc.
        DDTP is designed on the basis of blockchain technology. Through the full process traceability, tamper proof, trust transfer and other characteristics of the blockchain, and the participation of authoritative institutions, it helps to carry personal information more safely, reliably and easily. In 2020, the scenario scheme similar to the core mechanism of DDTP has been applied to the cross-border mutual recognition project of Guangdong Macao health code of wechat bank. The project enables users to become the core of personal information data transmission, carry and declare personal health information independently, and realize data verification and mutual recognition and exchange of health codes through the chain of verifiable digital vouchers. As of June this year, the Guangdong Macao health code cross-border mutual recognition project has supported more than 95 million people to pass the customs smoothly.
        The Guangdong Macao health code cross-border mutual recognition project verified the feasibility of DDTP in the field of personal health information. In the next step, DDTP will deeply implement the concept of "public alliance chain" and apply cross chain technology to realize a new ecology of distributed data transmission, verification and cooperation of cross domain interconnection. Ma Zhitao said, "the legislation of the personal information protection law, coupled with the continuous development of cutting-edge technologies, has the opportunity to promote the birth of more standard protocols similar to DDTP, build more applications that conform to the form of public alliance chain, and build a new digital infrastructure that is very necessary and indispensable for the data age.".
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