Golden Finance reports that in the current era where data privacy protection is increasingly emphasized, Eugenio Reggianini, a member of the Ethereum community, put forward a highly forward-looking proposal on June 9th. This proposal aims to enable the Ethereum network to maintain its decentralized feature while meeting the strict requirements of the EU’s General Data Protection Regulation (GDPR) through a modular architecture and privacy enhancement technology (PETs).
As an important regulation of the European Union in the field of data privacy, the GDPR has detailed and strict provisions on the collection, storage, use and transmission of personal data. Its purpose is to grant users more control over their own data and ensure the transparency, legality and fairness of the data processing process. As a globally leading blockchain platform, Ethereum has a huge user base and a rich application ecosystem. How to make its operation comply with the GDPR has become a key issue that needs to be urgently solved.
Reggianini’s proposal innovatively suggests pushing personal data to the edge of the network, that is, at the wallet and decentralized application (DApps) level. During this process, off-chain storage technology is adopted to store personal data in a secure off-chain environment, avoiding direct exposure of data to the blockchain and reducing the risk of data leakage. Meanwhile, combined with metadata erasure technology, metadata that may involve personal privacy is processed to further enhance data privacy protection. Moreover, by encrypting roles, the responsibilities of the controller stipulated in the GDPR can be concentrated on a few entities, simplifying the data management process and enhancing the efficiency of compliance operations.
From the perspective of the technical roadmap, the proposal covers a variety of advanced privacy protection solutions. proto-danksharding (IP-4844), as one of the important upgrade proposals for Ethereum, is committed to enhancing the scalability and data processing capabilities of Ethereum and laying a more solid foundation for privacy protection. Zero-knowledge proof (zk-SNARKs) technology allows for proving the authenticity of certain statements without disclosing the original data. In the Ethereum network, it can be used to verify the compliance of transactions or the execution of smart contracts, while protecting the privacy of user data. Fully homomorphic encryption can perform calculations on encrypted data, and the decrypted calculation results are consistent with those calculated on plaintext. This means that the data can remain encrypted throughout the processing, greatly ensuring data privacy. Trusted Execution Environments (TEEs) ensure the security and privacy of the code and data executed within them by building secure zones at the hardware level, providing hardware-level support for the privacy protection of the Ethereum network.
In addition, the proposal clearly divides the Ethereum network into the execution layer, the consensus layer, and the data availability layer. The execution layer is responsible for the execution of smart contracts and transaction processing. The consensus layer ensures the consistency and security of the network and determines which transactions are added to the blockchain. The data availability layer ensures that the data can be obtained and verified by nodes. This hierarchical architecture helps to manage GDPR compliance more precisely. Each layer can take targeted privacy protection measures and compliance operations based on its own functional characteristics.
However, it is not easy for this framework to succeed. The implementation effect will largely depend on the adoption degree of the community. If the members of the Ethereum community, developers and related project parties lack sufficient recognition and active participation in this framework, then promotion and implementation will face numerous difficulties. Developer support is also crucial. It requires developers to invest time and effort to upgrade and optimize the Ethereum network and related applications based on the new framework. In addition, coordination with EU regulatory authorities is equally indispensable. Only by maintaining good communication with regulatory authorities and ensuring that the framework complies with the actual requirements of the GDPR can potential legal risks be avoided and true compliance operations be achieved.
As the importance of data privacy continues to rise, Ethereum has proposed a privacy roadmap in line with GDPR this time. This not only improves its own compliance but also sets a new exploration direction for the blockchain industry in terms of data privacy protection and regulatory compliance. In the future, whether this framework can be successfully implemented and what kind of impact it will have on Ethereum and even the entire blockchain industry are worth continuous attention.
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