The Golden Chain Alliance proposes the DDTP distributed data transmission protocol to help implement the right to portability of personal information

FISCO_BCOS
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On October 21st, Shenzhen Financial Blockchain Development Promotion Association ("Golden Chain Alliance") held a seminar on "The Chinese Path to Personal Information Portability", from Shenzhen Qianhai Notary Office and Guantao Zhongmao Law Firm Experts from the Institute, Wangao Information Technology Co., Ltd., and WeBank gathered together to have an in-depth discussion on the global development of the right to portability of personal information and the feasible implementation path in China.

At the meeting, the Golden Chain Alliance, together with Guantao Zhongmao Law Firm, FinTech Micro Insights and other institutions, released the "DDTP - Distributed Data Transfer Protocol White Paper" (DDTP full name: Distributed Data Transfer Protocol).

DDTP is a new type of distributed data transmission protocol. It establishes a model in which users actively exercise the right to portability of personal information, and provides suggestions for feasible implementation paths in China for practicing the right to portability of personal information and liberating data productivity. The protocol is designed based on blockchain technology. Through the whole-process traceability, tamper-proof, transfer trust and other features of the blockchain, it superimposes the participation of authoritative organizations to facilitate more secure, credible, and collaborative personal information carrying applications.
Add a small assistant WeChat fiscobcosfan to reply [DDTP] to get the full text of the white paper

Immediately after the implementation of the Personal Protection Law, the right to personal information also rests with individuals

On November 1 this year, the "Personal Information Protection Law" will be officially implemented, which for the first time stipulates the "right to portability of personal information", and puts forward "individual requests to transfer personal information to their designated personal information processors, in line with the national network information If the conditions are stipulated by the department, the personal information processor shall provide a transfer channel.”

"The key to the difficulty of personal data circulation is that although personal data is created by individuals, in most cases, it needs to be circulated through enterprises, and the subject of responsibility and the subject of interest are inconsistent." Wang Yuwei, a partner at Guantao Zhongmao Law Firm, said that personal information can be carried The right to give individuals the right to actively transfer personal information between enterprises, fully reflects the original legislative intention of returning personal rights to individuals, and is expected to solve the problem of personal data transfer. DDTP aims to make users a key participant, and the transmission of personal information data is initiated by users and uploaded by themselves, so as to practice the right to portability of personal data.

Xie Jingjie, deputy director of Shenzhen Qianhai Notary Office, also gave a similar view. He believes that the right to portability of personal information reflects the forward-looking legislation, and it is the general trend to return the right to personal information to individuals and protect data privacy.

Emphasizing personal dominance, DDTP proposes a Chinese path for personal information to be carried

At present, many countries around the world have taken some substantial steps towards the implementation of the "right to portability of personal information". Li Bin, chief researcher of WeBank Fintech, analyzed that the right to portability of personal information is mainly divided into two types of practice modes: platform-led and government-led. Among them, the DTP (Data Transfer Project) project initiated by American companies is the platform-led application representative. MyData, which has been implemented in South Korea, can be seen as a typical example of government-led.

Li Bin believes that the most essential difference between DDTP and the above models is that DDTP aims to make users a key participant. Combined with data fingerprinting on the chain, it not only meets the compliance requirements of policies, but also solves cross-institution, cross-industry and cross-scenario data collaboration. The issue of production is expected to become a Chinese path for the right to portability of personal information.

"DDTP's proposal to make users a key participant depends on the personal information processor meeting the two important prerequisites of full notification and legal authorization." Xie Jingjie believes that, as a national statutory certification agency, the notary office can play the role of "transmitting trust and creating value". , through "technological empowerment" and "judicial enhancement", to provide double protection for the implementation of the right to personal data portability in China.

Inspiration from practice, mutual recognition of health codes between Guangdong and Macao provides scenario-based verification reference

In China, with the development of new technologies such as blockchain, there are some bright spots in the practice model of the right to portability of personal information. At the meeting, Chen Weijie, technical director of Wangao Information Technology Co., Ltd., took the cross-border mutual recognition project of Guangdong-Macao health code based on blockchain technology as an example, and gave a reference for DDTP scenario verification.

Chen Weijie said that the project is the same as the core mechanism of DDTP. It is led by the user personally, through the user's initiative to initiate the transmission of personal information data and upload it by himself, combined with the verifiable digital certificate based on hash value - "digital fingerprint" on the chain, to achieve The balance between information carrying and credible verification, so as to realize the cross-border carrying of personal health information under the premise of compliance.

It is worth mentioning that DDTP follows the distributed concept, does not rely on the cooperation between data providers and receivers, nor does it rely on the promotion of centralized institutions, and can support cross-institution, cross-industry, and cross-scenario collaboration. In the future, with the continuous improvement of technology, the operation mode of the protocol is expected to promote the interconnection and interoperability of application platforms in various sub-fields, and build a new ecosystem of broader distributed data transmission, verification and collaboration.
Scan the code to add WeChat assistant to get the DDTP white paper

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FISCO BCOS是开源联盟区块链底层技术平台,由金融区块链合作联盟(简称金链盟)成立开源工作组通力打造。...

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FISCO BCOS是开源联盟区块链底层技术平台,由金融区块链合作联盟(简称金链盟)成立开源工作组通力打造。...

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