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The Limits of Technology in Achieving Privacy

Talkat DC Privacy Summit 2025 · on Thursday, 2025-10-16· [privacy-and-compliance, cryptography]
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slides:none on file

Explains that cryptography like zero-knowledge proofs, MPC and homomorphic encryption can prove computations without revealing raw data but cannot verify data accuracy or prevent authorities from denying credentials, and warns automatic proofing risks creating continuous permissioning where services require routine proofs. Gives concrete examples: Signal screenshots defeating encryption, coinjoins and privacy coins criminalization, Bitcoin employers observing on‑chain spending. Recommends decriminalize privacy tools, enshrine self-custody and enforce real data portability, and revisit mandates like the Bank Secrecy Act.

AI-written summary · about

  1. 0:00Introduction and Conference Excitement
  2. 0:49The Limits of Technology in Achieving Privacy
  3. 1:31Challenges with Privacy Technologies
  4. 3:36Potential Misuse of Cryptographic Proofs
  5. 5:25Market Forces and Privacy
  6. 6:26Legal and Policy Recommendations
  7. 10:57Conclusion and Conversation with Commissioner
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