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2025-09-16 02:23 Read time: 5 min

Ethereum Foundation's PSE unveils major privacy roadmap

The Ethereum Foundation is embarking on a significant strategic pivot, prioritizing comprehensive privacy across its blockchain network. Recognizing that confidentiality must transition from an exceptional feature to a fundamental standard, the organization has unveiled a detailed roadmap aimed at embedding end-to-end privacy into the very fabric of Ethereum's operations. This initiative underscores a critical phase in Ethereum's evolution, addressing a key barrier to broader enterprise and user adoption. This ambitious drive is spearheaded by the newly rebranded Privacy Stewards of Ethereum (PSE), formerly known as Privacy & Scaling Explorations. The shift in nomenclature reflects a refined mission: to move beyond theoretical research and directly tackle practical challenges in achieving robust privacy within the ecosystem. PSE's focus is now firmly on problem-solving, disseminating information regarding progress and hurdles, and enhancing overall outcomes to integrate privacy seamlessly into the network experience. At the core of PSE's roadmap are three fundamental pillars designed to redefine user interaction and data handling on the blockchain. These include:
  • Private Transactions: Enabling the initiation and processing of transfers without exposing sensitive details about participants, crucially aiming for these private operations to incur costs comparable to public ones.
  • Private Reading: Allowing users to access blockchain data and interact with the network without revealing their identity or intentions.
  • Private Proofs: Focusing on the private generation and verification of cryptographic proofs, with an emphasis on reducing costs and increasing the speed of these essential computations.
This holistic approach seeks to ensure that privacy is not merely an add-on but an intrinsic characteristic of Ethereum's functionality. To actualize this vision, PSE has outlined a series of concrete initiatives scheduled for implementation within the next three to six months. Key among these efforts is the continued development of the experimental PlasmaFold protocol, which emphasizes client-side proof generation and high scalability. Plans include integrating confidential data transfer capabilities using cutting-edge concepts like PCD and Folding. Other notable initiatives involve supporting the Kohaku crypto wallet, preparing a comprehensive 'State of private voting 2025' report, and fostering collaborations with developers of both nascent and established private voting protocols. Further bolstering its strategic objectives, PSE will deepen its collaboration with the Aragon team to expand integrations, establish an IPTF team in conjunction with EF EcoDev Enterprise, and form a private RPC working group. The roadmap also prioritizes advancing the development of standards for universal zk-SNARKs and launching various initiatives dedicated to enhancing privacy within the decentralized finance (DeFi) sector. A significant milestone, the prototype for PlasmaFold, is slated for presentation at the Devconnect conference on November 17, 2025, in Argentina. This comprehensive push for privacy resonates with the long-held views of Ethereum co-founder Vitalik Buterin, who has consistently advocated for robust confidentiality, critiquing existing systems for their pervasive data collection practices and highlighting the necessity of privacy for true decentralization and user sovereignty.
Amelia Parker
Author
United Kingdom

Writes clear explainers that turn complex topics into practical takeaways for a broad audience.