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A Simple Model of Secure Public Communication
Authors:Hannu Vartiainen
Institution:1.Yrj? Jahnsson Foundation,Helsinki,Finland;2.Turku School of Economics,Turku,Finland
Abstract:Public communication is secure if a hostile third-party cannot decode the messages exchanged by the communicating parties. In Nash equilibrium, communication by computationally unbounded players cannot be secure. We assume complexity averse players, and show that a simple, secure, and costless communication protocol becomes available as the marginal complexity cost tends to zero.
Keywords:secure communication  complexity costs  trading
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