Presented at
DEF CON 33 (2025),
Aug. 10, 2025, 9 a.m.
(240 minutes).
Join our hands-on workshop to master TLSNotary! Dive into multi-party-TLS (not man-in-the-middle) and learn to prove and verify online data authenticity to a third-party verifier while ensuring privacy. We’ll start with small examples and build up to custom plugins to prove and verify private user data.
Bring your laptop, bring a friend, and learn together. Get ready to unlock and compose web data in innovative ways.
Presenters:
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Sinu
- Technical Lead of TLSNotary at Privacy and Scaling Explorations
Sinu is a neutral systems maxi, a cryptography engineer, and the technical lead of TLSNotary.
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AtHeartEngineer
- Head of Engineering at Privacy and Scaling Explorations
AtHeartEngineer has been building and breaking things since the 90s, nearly setting his parents’ garage on fire while learning about mains voltage. He previously lead engineering at Privacy and Scaling Explorations, a non-profit focused on building privacy-preserving technologies using programmable cryptography tools like zero-knowledge proofs, and is now exploring what is next.
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