Can You Cheat a Semi-Honest Man?

Topics covered in this episode:

• 00:43 Models of security for MPC.

• 07:00 To what extent is the Semi-Honest model useful?

  Lúcás Meier @cronokirby

  To what extent is the semi-honest model really useful directly in MPC? Is it really realistic to think that people might want to try and write software to decode private information from protocol transcripts, but won't write software to behave maliciously?

• 11:15 Connecting MPC with consensus

  Lúcás Meier @cronokirby

  I wonder if the fact that Byzantine consensus often has a t < n / 3 assumption for faulty parties means that doing MPC with a dishonest majority when you need consensus is the "obvious" thing to do.

• 19:42 On identifiable aborts.

  • A blog post of mine on the subject: https://cronokirby.com/posts/2022/06/on-identifiable-aborts/

• 28:00 Some thoughts on block producer privacy

If you enjoyed this episode, and want to get notified when the next one arrives, feel free to subscribe:

If you want even more updates, feel free to follow me on Twitter.