Blockchain-Enabled Identity Verification for Safe Ridesharing Leveraging Zero-Knowledge Proof

Wanxin Li, Collin Meese, Hao Guo, Mark Nejad

Research output: Chapter in Book or Report/Conference proceedingConference Proceedingpeer-review

21 Citations (Scopus)

Abstract

The on-demand mobility market, including ridesharing, is becoming increasingly important with e-hailing fares growing at a rate of approximately 130% per annum since 2013. By increasing utilization of existing vehicles and empty seats, ridesharing can provide many benefits including reduced traffic congestion and environmental impact from vehicle usage and production. However, the safety of riders and drivers has become of paramount concern and a method for privacy-preserving identity verification between untrusted parties is essential for protecting users. To this end, we propose a novel privacy-preserving identity verification system, extending zero-knowledge proof (ZKP) and blockchain for use in ridesharing applications. We design a permissioned blockchain network to perform the ZKP verification of a driver's identity, which also acts as an immutable ledger to store ride logs and ZKP records. For the ZKP module, we design a protocol to facilitate user verification without requiring the exchange of any private information. We prototype the proposed system on the Hyperledger Fabric platform, with the Hyperledger Ursa cryptography library, and conduct extensive experimentation. To measure the prototype's performance, we utilize the Hyperledger Caliper benchmark tool to perform extensive analysis and the results show that our system is suitable for use in real-world ridesharing applications.

Original languageEnglish
Title of host publication2020 3rd International Conference on Hot Information-Centric Networking, HotICN 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages18-24
Number of pages7
ISBN (Electronic)9781728192161
DOIs
Publication statusPublished - 2020
Externally publishedYes
Event3rd International Conference on Hot Information-Centric Networking, HotICN 2020 - Hefei, China
Duration: 12 Dec 202014 Dec 2020

Publication series

Name2020 3rd International Conference on Hot Information-Centric Networking, HotICN 2020

Conference

Conference3rd International Conference on Hot Information-Centric Networking, HotICN 2020
Country/TerritoryChina
CityHefei
Period12/12/2014/12/20

Keywords

  • Blockchain
  • data privacy
  • identity verification
  • ridesharing
  • zero-knowledge proof

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