Working Paper Article Version 1 This version is not peer-reviewed

BlendSPS: A BLockchain-ENabled Decentralized Smart Public Safety System

Version 1 : Received: 23 July 2020 / Approved: 28 July 2020 / Online: 28 July 2020 (05:45:04 CEST)

A peer-reviewed article of this Preprint also exists.

Xu, R.; Nikouei, S.Y.; Nagothu, D.; Fitwi, A.; Chen, Y. BlendSPS: A BLockchain-ENabled Decentralized Smart Public Safety System. Smart Cities 2020, 3, 928-951. Xu, R.; Nikouei, S.Y.; Nagothu, D.; Fitwi, A.; Chen, Y. BlendSPS: A BLockchain-ENabled Decentralized Smart Public Safety System. Smart Cities 2020, 3, 928-951.

Journal reference: Smart Cities 2020, 3, 47
DOI: 10.3390/smartcities3030047

Abstract

Thanks to rapid advances in the Internet of Things (IoT) and Edge-Fog-Cloud Computing technologies, Smart Public Safety (SPS) system has become feasible by integrating heterogeneous computing devices and different types of networks to collaboratively provide seamless public safety services. While SPS facilitates convenient exchanges of surveillance data streams among device owners and third-party applications, the existing monolithic service oriented architecture (SOA) architecture is unable to provide scalable and extensible services in a large-scale heterogeneous network environment. Moreover, traditional security solutions rely on centralized trusted third-party authority, which not only can be a performance bottleneck or the single point of failure, but it also incurs privacy concerns on improperly use of private information. Inspired by blockchain and microservices technologies, this paper proposed a BLockchain-ENabled Decentralized Smart Public Safety (BlendSPS) system. Leveraging hybrid blockchain fabrics, a microservices based security mechanism is implemented to enable decentralized security architecture, and it supports immutability, auditability and traceability for secured data sharing and operations among participants of the SPS system. An extensive experimental study verified the feasibility of the proposed Blend-SPS that possesses security and privacy proprieties with limited overhead on IoT based edge networks.

Subject Areas

Public Safety System (SPS); Microservices; Blockchain; Smart Contract; Internet of Things (IoT); Security

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