How to Use Bitcoin to Design Fair Protocols

Learn about designing fair protocols using Bitcoin in this 21-minute conference talk from Crypto 2014. Explore concepts like fair exchange, Bitcoin's role in protocol design, and secure computation with penalties. Discover the "Claim-or-Refund" functionality and its implementation in Bitcoin, as well as the "Ladder" protocol for fair reconstruction. Gain insights into the minimal model approach and potential future directions in this field presented by Ranjit Kumaresan and Iddo Bentov.

Syllabus

Intro
Fair Exchange
Workarounds --- This Paper
Bitcoin Nak08
This Work
Related Work • Bitcoin lottery in the penalty model
Towards a Minimal Model
Rest of the Talk
Claim-or-Refund Functionality
Candidate realization in Bitcoin Implicit in [Max11,BBSU12]
Secure Computation with Penalties . Honest parties submit
Strategy
Fair Reconstruction
"Ladder" Protocol
Summary & Future Directions