Ghostor - Toward a Secure Data Sharing System from Decentralized Trust

Ghostor - Toward a Secure Data Sharing System from Decentralized Trust

USENIX via YouTube Direct link

Strawman: Use a Blockchain

8 of 18

8 of 18

Strawman: Use a Blockchain

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Ghostor - Toward a Secure Data Sharing System from Decentralized Trust

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  1. 1 Intro
  2. 2 Motivating Example: Medical Record System
  3. 3 Ghostor: Cryptographic Data Sharing System
  4. 4 E2EE Data Sharing vs. Ghostor's Anonymity
  5. 5 Verifiable Linearizability
  6. 6 Comparison to Existing Work
  7. 7 Bootstrapping Decentralized Trust
  8. 8 Strawman: Use a Blockchain
  9. 9 Ghostor's System Architecture
  10. 10 Verifiable History (Strawman)
  11. 11 Shared Capabilities
  12. 12 Additional Challenge: Concurrent Operations
  13. 13 This Technique Does Not Work for Writes
  14. 14 Ghostor Stack
  15. 15 Implementation
  16. 16 Server-Side Latency to PUT a 1 MiB Object
  17. 17 Total Latency
  18. 18 Conclusion

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