VChain: A Blockchain System Ensuring Query Integrity

Haixin Wang; Cheng Xu; Ce Zhang; Jianliang Xu

doi:10.1145/3318464.3384682

VChain: A Blockchain System Ensuring Query Integrity

Haixin Wang, Cheng Xu, Ce Zhang, Jianliang Xu

Department of Computer Science

Research output: Chapter in book/report/conference proceeding › Conference proceeding › peer-review

22 Citations (Scopus)

Abstract

This demonstration presents vChain, a blockchain system that ensures query integrity. With the proliferation of blockchain applications and services, there has been an increasing demand for querying the data stored in a blockchain database. However, existing solutions either are at the risk of losing query integrity, or require users to maintain a full copy of the blockchain database. In comparison, by employing a novel verifiable query processing framework, vChain enables a lightweight user to authenticate the query results returned from a potentially untrusted service provider. We demonstrate its verifiable query operations, usability, and performance with visualization for better insights. We also showcase how users can detect falsified results in the case that the service provider is compromised.

Original language	English
Title of host publication	Proceedings of the 2020 ACM SIGMOD International Conference on Management of Data, SIGMOD 2020
Publisher	Association for Computing Machinery (ACM)
Pages	2693-2696
Number of pages	4
ISBN (Electronic)	9781450367356
DOIs	https://doi.org/10.1145/3318464.3384682
Publication status	Published - 14 Jun 2020
Event	ACM SIGMOD International Conference on Management of Data, SIGMOD 2020 - Portland, United States Duration: 14 Jun 2020 → 19 Jun 2020 https://dl.acm.org/doi/proceedings/10.1145/3318464

Publication series

Name	Proceedings of the ACM SIGMOD International Conference on Management of Data
ISSN (Print)	0730-8078

Conference

Conference	ACM SIGMOD International Conference on Management of Data, SIGMOD 2020
Country/Territory	United States
City	Portland
Period	14/06/20 → 19/06/20
Internet address	https://dl.acm.org/doi/proceedings/10.1145/3318464

User-Defined Keywords

blockchain
data integrity
query processing

Access to Document

10.1145/3318464.3384682

Cite this

Wang, H., Xu, C., Zhang, C., & Xu, J. (2020). VChain: A Blockchain System Ensuring Query Integrity. In Proceedings of the 2020 ACM SIGMOD International Conference on Management of Data, SIGMOD 2020 (pp. 2693-2696). (Proceedings of the ACM SIGMOD International Conference on Management of Data). Association for Computing Machinery (ACM). https://doi.org/10.1145/3318464.3384682

@inproceedings{929ef079fac54cfeb8b42fad5673b87d,

title = "VChain: A Blockchain System Ensuring Query Integrity",

abstract = "This demonstration presents vChain, a blockchain system that ensures query integrity. With the proliferation of blockchain applications and services, there has been an increasing demand for querying the data stored in a blockchain database. However, existing solutions either are at the risk of losing query integrity, or require users to maintain a full copy of the blockchain database. In comparison, by employing a novel verifiable query processing framework, vChain enables a lightweight user to authenticate the query results returned from a potentially untrusted service provider. We demonstrate its verifiable query operations, usability, and performance with visualization for better insights. We also showcase how users can detect falsified results in the case that the service provider is compromised.",

keywords = "blockchain, data integrity, query processing",

author = "Haixin Wang and Cheng Xu and Ce Zhang and Jianliang Xu",

note = "Funding Information: This work is supported by Research Grants Council of Hong Kong under GRF Projects 12201018 & 12200819 and CRF Project C1008-16G. Publisher copyright: {\textcopyright}2020 Association for Computing Machinery.; ACM SIGMOD International Conference on Management of Data, SIGMOD 2020 ; Conference date: 14-06-2020 Through 19-06-2020",

year = "2020",

month = jun,

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doi = "10.1145/3318464.3384682",

language = "English",

series = "Proceedings of the ACM SIGMOD International Conference on Management of Data",

publisher = "Association for Computing Machinery (ACM)",

pages = "2693--2696",

booktitle = "Proceedings of the 2020 ACM SIGMOD International Conference on Management of Data, SIGMOD 2020",

address = "United States",

url = "https://dl.acm.org/doi/proceedings/10.1145/3318464",

}

Wang, H, Xu, C, Zhang, C & Xu, J 2020, VChain: A Blockchain System Ensuring Query Integrity. in Proceedings of the 2020 ACM SIGMOD International Conference on Management of Data, SIGMOD 2020. Proceedings of the ACM SIGMOD International Conference on Management of Data, Association for Computing Machinery (ACM), pp. 2693-2696, ACM SIGMOD International Conference on Management of Data, SIGMOD 2020, Portland, United States, 14/06/20. https://doi.org/10.1145/3318464.3384682

VChain: A Blockchain System Ensuring Query Integrity. / Wang, Haixin; Xu, Cheng; Zhang, Ce et al.
Proceedings of the 2020 ACM SIGMOD International Conference on Management of Data, SIGMOD 2020. Association for Computing Machinery (ACM), 2020. p. 2693-2696 (Proceedings of the ACM SIGMOD International Conference on Management of Data).

Research output: Chapter in book/report/conference proceeding › Conference proceeding › peer-review

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AU - Zhang, Ce

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N1 - Funding Information: This work is supported by Research Grants Council of Hong Kong under GRF Projects 12201018 & 12200819 and CRF Project C1008-16G. Publisher copyright: ©2020 Association for Computing Machinery.

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N2 - This demonstration presents vChain, a blockchain system that ensures query integrity. With the proliferation of blockchain applications and services, there has been an increasing demand for querying the data stored in a blockchain database. However, existing solutions either are at the risk of losing query integrity, or require users to maintain a full copy of the blockchain database. In comparison, by employing a novel verifiable query processing framework, vChain enables a lightweight user to authenticate the query results returned from a potentially untrusted service provider. We demonstrate its verifiable query operations, usability, and performance with visualization for better insights. We also showcase how users can detect falsified results in the case that the service provider is compromised.

AB - This demonstration presents vChain, a blockchain system that ensures query integrity. With the proliferation of blockchain applications and services, there has been an increasing demand for querying the data stored in a blockchain database. However, existing solutions either are at the risk of losing query integrity, or require users to maintain a full copy of the blockchain database. In comparison, by employing a novel verifiable query processing framework, vChain enables a lightweight user to authenticate the query results returned from a potentially untrusted service provider. We demonstrate its verifiable query operations, usability, and performance with visualization for better insights. We also showcase how users can detect falsified results in the case that the service provider is compromised.

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VChain: A Blockchain System Ensuring Query Integrity

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