Definition ∞ Soundness and completeness are two fundamental properties of a logical system or a formal verification method. Soundness implies that if a statement can be proven within the system, then that statement is indeed true. Completeness means that if a statement is true, it can be proven within the system. In the context of blockchain, these properties are critical for formal verification of smart contracts or consensus protocols, ensuring their logical integrity.
Context ∞ The application of formal methods to blockchain development, often involving concepts like soundness and completeness, is gaining importance for ensuring the security of critical smart contracts and protocols. News reports on advanced security audits or new protocol designs might mention these properties to demonstrate the rigorous mathematical guarantees behind a system’s operation. Achieving both is an ideal for robust system design.
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