The Cocaine Auction Protocol: On the Power of Anonymous Broadcast. This paper builds on a case study, of an anonymous auction between mistrustful principals with no trusted arbitrator, to introduce “anonymous broadcast” as a new protocol building block.
You can download it from the following link: https://packetstormsecurity.com/files/download/11282/cocaine.pdf
Source: https://packetstormsecurity.com/files/11282/cocaine.pdf.html