8: Securing the digital witness identity using blockchain and zero-knowledge proofs

Lynton Lourinhoa; Stefan Kendzierskyjb; Hamid Jahankhania    a Northumbria University, London, United Kingdomb Cyfortis, Surrey, United Kingdom

Abstract

The digital witness concept is underpinned by the Internet of Things (IoT) which brings serious privacy challenges and concerns. Digital witnesses deliver digital evidence to authorised entities by means of a digital chain of custody. This chapter provides an alternative approach by giving users behind the digital witness, the ability to disclose or anonymise their identities by means of a decentralised identifier addressing privacy concerns. The model is scoped within a city environment to demonstrate the ...

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