『zkPDF and zkID with Vikas Rushi and Ying Tong』のカバーアート

zkPDF and zkID with Vikas Rushi and Ying Tong

zkPDF and zkID with Vikas Rushi and Ying Tong

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 In this episode, Anna Rose and Kobi Gurkan chat with Vikas Rushi from PSE, and Ying Tong to explore two topics at the intersection of ZK and the real-world data: zkPDF and zkID. First they dive into zkPDF, a set of tools for proving facts on digitally signed PDFs. Vikas talks about the challenges of parsing data inside zkVMs—working with decades-old specifications that use many different encodings, and tackling practical use-cases like bank statements and ID verification. They also explain how issuers, such as India’s DigiLocker, can generate proofs in a way that protects individual privacy. Next they cover zkID and the EF’s work on building a system that would meet the EU’s Digital Identity Framework requirements ahead of its 2026 rollout. Ying Tong explains how the EF’s work on zkID differs from existing zk-based identity projects, particularly through its device-binding requirements, the cryptographic community’s feedback to the EU Commission, the trade-offs between proof systems, PSE’s work on standards and more. They wrap up with a chat about the challenges of revocation in both systems, and what’s next for the projects. Related links:
  • Episode 367: Local-First with grjte and Goblin Oats
  • Episode 366: Bringing ID Onchain with Self
  • Episode 363: Bringing ZK to Google Wallet with Abhi and Matteo
  • Episode 362: zkTLS with Maddy from Reclaim
  • Episode 358: Building ZK Registries Onchain with Rarimo
  • Episode 353: Making ZK More Human with ZK Email
  • Episode 330: Frameworks for Programmable Privacy with Ying Tong and Bryan Gillespie
  • Community Privacy Residency
  • Anon Aadhaar
  • DigiLocker
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