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Mixed Fault Tolerance Protocols with Trusted Execution Environment. (arXiv:2208.01946v1 [cs.DC])
Aug. 4, 2022, 1:20 a.m. | Mingyuan Gao (1), Hung Dang (2), Ee-Chien Chang (1), Jialin Li (1) ((1) National University of Singapore, Singapore (2) FPT Blockchain Lab, Vietnam)
cs.CR updates on arXiv.org arxiv.org
Blockchain systems are designed, built and operated in the presence of
failures. There are two dominant failure models, namely crash fault and
Byzantine fault. Byzantine fault tolerance (BFT) protocols offer stronger
security guarantees, and thus are widely used in blockchain systems. However,
their security guarantees come at a dear cost to their performance and
scalability. Several works have improved BFT protocols, and Trusted Execution
Environment (TEE) has been shown to be an effective solution. However, existing
such works typically assume …
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