A blockchain-based Trust System for the Internet of Things

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• dc.contributor.author Di Pietro, Roberto
• dc.contributor.author Salleras, Xavier
• dc.contributor.author Signorini, Matteo
• dc.contributor.author Waisbard, Erez
• dc.date.accessioned 2020-12-04T10:47:35Z
• dc.date.available 2020-12-04T10:47:35Z
• dc.date.issued 2018
• dc.description Comunicació presentada a la SACMAT '18: The 23rd ACM Symposium on Access Control Models and Technologies, celebrada a Indianapolis (Estats Units d'Amèrica) del 13 al 15 de juny de 2018.
• dc.description.abstract One of the biggest challenges for the Internet of Things (IoT) is to bridge the currently fragmented trust domains. The traditional PKI model relies on a common root of trust and does not fit well with the heterogeneous IoT ecosystem where constrained devices belong to independent administrative domains. In this work we describe a distributed trust model for the IoT that leverages the existing trust domains and bridges them to create end-to-end trust between IoT devices without relying on any common root of trust. Furthermore we define a new cryptographic primitive, denoted as obligation chain designed as a credit-based Blockchain with a built-in reputation mechanism. Its innovative design enables a wide range of use cases and business models that are simply not possible with current Blockchain-based solutions while not experiencing traditional blockchain delays. We provide a security analysis for both the obligation chain and the overall architecture and provide experimental tests that show its viability and quality.en
• dc.format.mimetype application/pdf
• dc.identifier.citation Di Pietro R, Salleras X, Signorini M, Waisbard E. A blockchain-based Trust System for the Internet of Things. In: SACMAT '18: The 23rd ACM Symposium on Access Control Models and Technologies; 2018 Jun 13-15; Indianapolis, USA. New York: Association for Computing Machinery; 2018. p. 77-83. DOI: 10.1145/3205977.3205993
• dc.identifier.doi http://dx.doi.org/10.1145/3205977.3205993
• dc.identifier.uri http://hdl.handle.net/10230/45948
• dc.language.iso eng
• dc.publisher ACM Association for Computer Machinery
• dc.relation.ispartof SACMAT '18: The 23rd ACM Symposium on Access Control Models and Technologies; 2018 Jun 13-15; Indianapolis, USA. New York: Association for Computing Machinery; 2018. p. 77-83
• dc.rights © 2018 Association for Computing Machinery
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.subject.keyword IoTen
• dc.subject.keyword Blockchainen
• dc.subject.keyword Distributed ledgeren
• dc.subject.keyword Access controlen
• dc.subject.keyword Securityen
• dc.title A blockchain-based Trust System for the Internet of Thingsen
• dc.type info:eu-repo/semantics/conferenceObject
• dc.type.version info:eu-repo/semantics/acceptedVersion