Equivalence Checking is a formal verification technique used in computer science to determine if two different descriptions of a system or protocol produce identical behavior. In the context of blockchain and smart contracts, it verifies that a high-level specification and its low-level implementation are functionally the same. This method helps confirm the correctness and security of cryptographic code. It is a critical step in ensuring that software operates as intended without unintended deviations.
Context
News about smart contract audits or protocol security often mentions Equivalence Checking as a method to guarantee the integrity of decentralized applications. This rigorous verification process helps prevent critical bugs and vulnerabilities that could lead to financial losses or system failures. Its application is crucial for building trust in the reliability of blockchain infrastructure.
Formal modeling of probabilistic consensus using process calculus and noninterference verification provides mathematically provable security bounds against sophisticated attacks.
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