From Usability to Secure Computing and Back Again
summary
A usable MPC deployment called Web-MPC platform runs in the browser and is deployed for Boston workforce studies with over 100 companies contributing salary spreadsheets; it supports resubmission, client-side masking, and a semi-honest additive secret-sharing protocol to reveal only aggregate averages. The system also implements privacy-preserving web analytics under MPC, runs an A/B study with ~150 participants across three UIs, finds file-upload cuts input errors but increases completion time, and returns only aggregate metrics.
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chapters (7)
- 0:00Project context and challenges
- 1:25Secure multi-party computation
- 2:37Usability challenges in MPC
- 8:01Collecting usability metrics
- 11:06Evaluation and study design
- 14:07Conclusion and collaboration
- 15:46Audience Q&A
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