Correlated equilibria and communication equilibria are useful notions to understand the strategic effects of information and communication. Between these two models, a protocol generates information through communication. We define a secure protocol as a protocol from which no individual may have strategic incentives to deviate and characterize these protocols. Journal of Economic Literature Classification Numbers: 072. (C) 1998 Academic Press.
Gossner, O. (1998). Secure protocols or how communication generates correlation. Journal of Economic Theory, 83(1), 69-89. https://doi.org/10.1006/jeth.1998.2444 (Original work published 1998)