Formal Verification of the Burn-to-Claim Blockchain Interoperable Protocol
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Hóu, Z
Biswas, K
Muthukkumarasamy, V
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Li, Yi
Tahar, Sofiène
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Brisbane, QLD, Australia
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Abstract
This paper introduces an abstract blockchain model that employs the Burn-to-Claim cross-blockchain protocol [1]. This multi-level simulator models a virtual environment of nodes running on the Ethereum Virtual Machine (EVM). Developed using the CSP# language [2], it has undergone formal verification with the model checker PAT. Focusing on inter-network operations, our model (https://github.com/b-pillai/Burn-to-Claim-formal-verification ) examines the properties of correctness, security, and atomicity using PAT. Surprisingly, atomicity, assumed to be inherent in the time-lock mechanism of the Burn-to-Claim protocol, does not always hold. We establish its validity under specific assumptions while confirming the protocol’s correctness and security under the added assumptions.
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Formal Methods and Software Engineering: 24th International Conference on Formal Engineering Methods, ICFEM 2023, Brisbane, QLD, Australia, November 21–24, 2023, Proceedings
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14308
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Software engineering
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Pillai, B; Hóu, Z; Biswas, K; Muthukkumarasamy, V, Formal Verification of the Burn-to-Claim Blockchain Interoperable Protocol, Formal Methods and Software Engineering: 24th International Conference on Formal Engineering Methods, ICFEM 2023, Brisbane, QLD, Australia, November 21–24, 2023, Proceedings, 2023, 14308, pp. 249-254