Towards Scalable Threshold Cryptosystems

Towards Scalable Threshold Cryptosystems

IEEE Symposium on Security and Privacy via YouTube Direct link

Towards Scalable Threshold Cryptosystems

1 of 13

1 of 13

Towards Scalable Threshold Cryptosystems

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Towards Scalable Threshold Cryptosystems

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  1. 1 Towards Scalable Threshold Cryptosystems
  2. 2 Threshold signature schemes (TSS)
  3. 3 TSS efficiency & scalability challenges
  4. 4 Shamir's Secret Sharing
  5. 5 Verifiable Secret Sharing (VSS) prevents attacks
  6. 6 KZG-based VSS dealing does not scale
  7. 7 Key ingredient: Polynomial multipoint evaluation
  8. 8 Authenticated Multipoint Evaluation Trees (AMTs)
  9. 9 The road so far
  10. 10 TSS aggregation does not scale
  11. 11 Why TSS aggregation doesn't scale
  12. 12 Our TSS aggregation scales!
  13. 13 Conclusion

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