On Cyber Risk Management of Blockchain Networks: A Game Theoretic Approach

نویسندگان

چکیده

Open-access blockchains based on proof-of-work protocols have gained tremendous popularity for their capabilities of providing decentralized tamper-proof ledgers and platforms data-driven autonomous organization. Nevertheless, the consensus are vulnerable to cyber-attacks such as double-spending. In this paper, we propose a novel approach cyber risk management blockchain-based service. particular, adopt cyber-insurance an economic tool neutralizing risks due attacks in blockchain networks. We consider service market, which is composed infrastructure provider, cyber-insurer, users. The provider purchases from e.g., cloud, computing resources maintain consensus, then offers services strategizes its investment price charged users, order improve security thus optimize profit. Meanwhile, also cyber-insurer protect itself potential damage attacks. return, adjusts insurance premium according perceived level Based assumption rationality market entities, model interaction among two-level Stackelberg game. Namely, lead set pricing/investment strategies, users follow determine demand Specifically, scenario double-spending provide series analytical results about equilibrium

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ژورنال

عنوان ژورنال: IEEE Transactions on Services Computing

سال: 2021

ISSN: ['1939-1374', '2372-0204']

DOI: https://doi.org/10.1109/tsc.2018.2876846