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Computer Science > Cryptography and Security

arXiv:2406.19042 (cs)
[Submitted on 27 Jun 2024]

Title:Towards Credential-based Device Registration in DApps for DePINs with ZKPs

Authors:Jonathan Heiss, Fernando Castillo, Xinxin Fan
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Abstract:Decentralized Physical Infrastructure Networks (DePINS) are secured and governed by blockchains but beyond crypto-economic incentives, they lack measures to establish trust in participating devices and their services. The verification of relevant device credentials during device registration helps to overcome this problem. However, on-chain verification in decentralized applications (dApp) discloses potentially confidential device attributes whereas off-chain verification introduces undesirable trust assumptions. In this paper, we propose a credential-based device registration (CDR) mechanism that verifies device credentials on the blockchain and leverages zero-knowledge proofs (ZKP) to protect confidential device attributes from being disclosed. We characterize CDR for DePINs, present a general system model, and technically evaluate CDR using zkSNARKs with Groth16 and Marlin. Our experiments give first insights into performance impacts and reveal a tradeoff between the applied proof systems.
Subjects: Cryptography and Security (cs.CR); Distributed, Parallel, and Cluster Computing (cs.DC)
Cite as: arXiv:2406.19042 [cs.CR]
  (or arXiv:2406.19042v1 [cs.CR] for this version)
  https://doi.org/10.48550/arXiv.2406.19042

Submission history

From: Jonathan Heiss [view email]
[v1] Thu, 27 Jun 2024 09:50:10 UTC (178 KB)
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