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- W2962740246 abstract "The emerging Internet of Things (IoT) is facing significant scalability and security challenges. On the one hand, IoT devices are weak and need external assistance. Edge computing provides a promising direction addressing the deficiency of centralized cloud computing in scaling massive number of devices. On the other hand, IoT devices are also relatively vulnerable facing malicious hackers due to resource constraints. The emerging blockchain and smart contracts technologies bring a series of new security features for IoT and edge computing. In this paper, to address the challenges, we design and prototype an edge-IoT framework named EdgeChain based on blockchain and smart contracts. The core idea is to integrate a permissioned blockchain and the internal currency or coin system to link the edge cloud resource pool with each IoT device' account and resource usage, and hence behavior of the IoT devices. EdgeChain uses a credit-based resource management system to control how much resource IoT devices can obtain from edge servers, based on pre-defined rules on priority, application types and past behaviors. Smart contracts are used to enforce the rules and policies to regulate the IoT device behavior in a non-deniable and automated manner. All the IoT activities and transactions are recorded into blockchain for secure data logging and auditing. We implement an EdgeChain prototype and conduct extensive experiments to evaluate the ideas. The results show that while gaining the security benefits of blockchain and smart contracts, the cost of integrating them into EdgeChain is within a reasonable and acceptable range." @default.
- W2962740246 created "2019-07-30" @default.
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- W2962740246 date "2019-06-01" @default.
- W2962740246 modified "2023-10-17" @default.
- W2962740246 title "EdgeChain: An Edge-IoT Framework and Prototype Based on Blockchain and Smart Contracts" @default.
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- W2962740246 doi "https://doi.org/10.1109/jiot.2018.2878154" @default.
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