TAPESTRY: A De-Centralized Service for Trusted Interaction Online

Yang, Yifan, Cooper, Daniel, Collomosse, John, Dragan, Constantin Catalin, Manulis, Mark, Steane, Jamie, Manohar, Arthi, Briggs, Jo, Jones, Helen orcid iconORCID: 0000-0002-2716-051X et al (2020) TAPESTRY: A De-Centralized Service for Trusted Interaction Online. IEEE Transactions on Services Computing, 15 (3). pp. 1385-1398. ISSN 2372-0204

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Official URL: https://doi.org/10.1109/tsc.2020.2993081


We present a novel de-centralised service for proving the provenance of online digital identity, exposed as an assistive tool to help non-expert users make better decisions about whom to trust online. Our service harnesses the digital personhood (DP); the longitudinal and multi-modal signals created through users’ lifelong digital interactions, as a basis for evidencing the provenance of identity. We describe how users may exchange trust evidence derived from their DP, in a granular and privacy-preserving manner, with other users in order to demonstrate coherence and longevity in their behaviour online. This is enabled through a novel secure infrastructure combining hybrid on- and off-chain storage combined with deep learning for DP analytics and visualization. We show how our tools enable users to make more effective decisions on whether to trust unknown third parties online, and also to spot behavioural deviations in their own social media footprints indicative of account hijacking.

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