Definition ∞ MMIC Property stands for a specific characteristic within cryptographic protocols, likely referring to a “Message Malleability and Integrity Check” property. This property ensures that a message, once created, cannot be altered without detection and that its integrity is verifiable. It is essential for preventing unauthorized modifications. This security feature guards against data tampering. It ensures message integrity.
Context ∞ In the design of secure communication and transaction systems, particularly within blockchain and digital asset protocols, the MMIC property is critical for maintaining data authenticity. Protocols that exhibit strong MMIC properties prevent attackers from subtly changing transaction details or message content without invalidating the cryptographic proof. This is a key aspect of trustless system design. This property is vital for blockchain security.
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