An unauthenticated setting describes an environment where participants do not verify each other’s identities through traditional means. In such a setting, entities interact without prior identity checks or trust establishment. Communication and actions proceed based on assumed anonymity or pseudonyms. This context is common in open, permissionless networks.
Context
Blockchain networks frequently operate in an unauthenticated setting, where nodes interact without knowing each other’s real-world identities, a feature often discussed in news about privacy and censorship resistance. The design of consensus protocols in these environments must account for potential malicious behavior from unknown actors. This characteristic is a fundamental aspect of decentralized, permissionless digital asset systems.
This new signature-free asynchronous Byzantine agreement protocol achieves the theoretical optimal communication complexity for unauthenticated consensus.
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