P2B-Trace: Privacy-Preserving Blockchain-based Contact Tracing to Combat Pandemics

Summary: Blockchain-backed decentralized architecture records an authenticated contact-event data structure, enabling verifiable integrity and preventing local tampering. A zero-knowledge proximity verification protocol preserves user privacy while proving proximity claims, with experimental cost analysis of tracing integrity. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 6264
Venue: SIGMOD
Year: 2021
Pagerank: 6.6473786e-05
Overall Rank: 4,651 | 67.68%
DOI: 10.1145/3448016.3459237

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 7 of 7 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
4,272	NeuChain: A Fast Permissioned Blockchain System with Deterministic Ordering	2022	VLDB	6.8594731e-05
5,851	FlexChain: An Elastic Disaggregated Blockchain	2023	VLDB	6.1271536e-05
7,378	Qanaat: A Scalable Multi-Enterprise Permissioned Blockchain System with Confidentiality Guarantees	2022	VLDB	5.6897772e-05
10,045	Adaptive Sharding in Untrusted Environments	2026	SIGMOD	5.1725247e-05
11,002	Towards Full Stack Adaptivity in Permissioned Blockchains	2024	VLDB	5.1725247e-05
11,238	AdaChain: A Learned Adaptive Blockchain	2023	VLDB	5.1725247e-05
11,361	LedgerView: Access-Control Views on Hyperledger Fabric	2022	SIGMOD	5.1725247e-05

Outgoing Citations (Sorted by Pagerank)

Showing 7 of 7 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank	Cited Paper	Year	Venue	Pagerank
649	Towards Scaling Blockchain Systems via Sharding	2019	SIGMOD	0.00015471765
1,433	vChain: Enabling Verifiable Boolean Range Queries over Blockchain Databases	2019	SIGMOD	0.00010894001
1,812	ResilientDB: Global Scale Resilient Blockchain Fabric	2020	VLDB	9.7884363e-05
2,805	Fine-Grained, Secure and Efficient Data Provenance on Blockchain Systems	2019	VLDB	8.1677906e-05
3,070	FalconDB: Blockchain-based Collaborative Database	2020	SIGMOD	7.8580484e-05
5,090	FireLedger: A High Throughput Blockchain Consensus Protocol	2020	VLDB	6.4338184e-05
7,910	Confidentiality Support over Financial Grade Consortium Blockchain	2020	SIGMOD	5.5879859e-05

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