MARTSIA: A Tool for Confidential Data Exchange via Public Blockchain

Michele Kryston; Edoardo Marangone; Claudio Di Ciccio; Daniele Friolo; Eugenio Nerio Nemmi; Mattia Samory; Michele Spina; Daniele Venturi; Ingo Weber

doi:10.1007/978-3-031-94590-8_21

MARTSIA: A Tool for Confidential Data Exchange via Public Blockchain

Michele Kryston^*
, Edoardo Marangone
, Claudio Di Ciccio
, Daniele Friolo
, Eugenio Nerio Nemmi
, Mattia Samory
, Michele Spina
, Daniele Venturi
, Ingo Weber

^*Corresponding author for this work

Sub Process Science

University of Rome La Sapienza
Technical University of Munich

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Abstract

Blockchain technology streamlines multi-party collaborations in decentralized settings, especially when trust is limited or difficult to establish. While public blockchains enhance transparency and reliability by replicating data across all network nodes, they also conflict with confidentiality. Here, we introduce Multi-Authority Approach to Transaction Systems for Interoperating Applications (MARTSIA) to address this challenge. MARTSIA provides fine-grained read-access control at the message-part level by combining user-defined policies with certifier-declared attributes. The approach guarantees that even though data is replicated across the network to maintain consistency, fault tolerance, and availability, its confidentiality is securely preserved through encryption. To this end, MARTSIA integrates blockchain technologies, Multi-Authority Attribute-Based Encryption, and distributed hash-table file storages. This architecture effectively balances the transparency inherent in public blockchains with the privacy required for sensitive applications. We present the tool and its applicability in a business scenario.

Original language	English
Title of host publication	Intelligent Information Systems
Subtitle of host publication	CAiSE 2025 Forum and Doctoral Consortium, Proceedings
Editors	Luise Pufahl, Kristina Rosenthal, Sergio España, Selmin Nurcan
Publisher	Springer
Pages	173-180
Number of pages	8
ISBN (Electronic)	978-3-031-94590-8
ISBN (Print)	978-3-031-94589-2
DOIs	https://doi.org/10.1007/978-3-031-94590-8_21
Publication status	Published - 7 Jun 2025
Event	Forum and the Doctoral Consortium of the 37th International Conference on Advanced Information Systems Engineering, CAiSE 2025 - Vienna, Austria Duration: 16 Jun 2025 → 20 Jun 2025

Publication series

Name	Lecture Notes in Business Information Processing
Volume	557 LNBIP
ISSN (Print)	1865-1348
ISSN (Electronic)	1865-1356

Conference

Conference	Forum and the Doctoral Consortium of the 37th International Conference on Advanced Information Systems Engineering, CAiSE 2025
Country/Territory	Austria
City	Vienna
Period	16/06/25 → 20/06/25

Bibliographical note

Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.

Keywords

Blockchain Technology
Business Process Management
Ciphertext Policy
InterPlanetary File System
Multi-Authority Attribute Based Encryption

Access to Document

10.1007/978-3-031-94590-8_21

MARTSIA: A Tool for Confidential Data Exchange via Public BlockchainFinal published version, 649 KBLicence: Taverne

Cite this

Kryston, M., Marangone, E., Di Ciccio, C., Friolo, D., Nemmi, E. N., Samory, M., Spina, M., Venturi, D., & Weber, I. (2025). MARTSIA: A Tool for Confidential Data Exchange via Public Blockchain. In L. Pufahl, K. Rosenthal, S. España, & S. Nurcan (Eds.), Intelligent Information Systems: CAiSE 2025 Forum and Doctoral Consortium, Proceedings (pp. 173-180). (Lecture Notes in Business Information Processing; Vol. 557 LNBIP). Springer. https://doi.org/10.1007/978-3-031-94590-8_21

Kryston, Michele ; Marangone, Edoardo ; Di Ciccio, Claudio et al. / MARTSIA : A Tool for Confidential Data Exchange via Public Blockchain. Intelligent Information Systems: CAiSE 2025 Forum and Doctoral Consortium, Proceedings. editor / Luise Pufahl ; Kristina Rosenthal ; Sergio España ; Selmin Nurcan. Springer, 2025. pp. 173-180 (Lecture Notes in Business Information Processing).

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abstract = "Blockchain technology streamlines multi-party collaborations in decentralized settings, especially when trust is limited or difficult to establish. While public blockchains enhance transparency and reliability by replicating data across all network nodes, they also conflict with confidentiality. Here, we introduce Multi-Authority Approach to Transaction Systems for Interoperating Applications (MARTSIA) to address this challenge. MARTSIA provides fine-grained read-access control at the message-part level by combining user-defined policies with certifier-declared attributes. The approach guarantees that even though data is replicated across the network to maintain consistency, fault tolerance, and availability, its confidentiality is securely preserved through encryption. To this end, MARTSIA integrates blockchain technologies, Multi-Authority Attribute-Based Encryption, and distributed hash-table file storages. This architecture effectively balances the transparency inherent in public blockchains with the privacy required for sensitive applications. We present the tool and its applicability in a business scenario.",

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Kryston, M, Marangone, E, Di Ciccio, C, Friolo, D, Nemmi, EN, Samory, M, Spina, M, Venturi, D & Weber, I 2025, MARTSIA: A Tool for Confidential Data Exchange via Public Blockchain. in L Pufahl, K Rosenthal, S España & S Nurcan (eds), Intelligent Information Systems: CAiSE 2025 Forum and Doctoral Consortium, Proceedings. Lecture Notes in Business Information Processing, vol. 557 LNBIP, Springer, pp. 173-180, Forum and the Doctoral Consortium of the 37th International Conference on Advanced Information Systems Engineering, CAiSE 2025, Vienna, Austria, 16/06/25. https://doi.org/10.1007/978-3-031-94590-8_21

MARTSIA: A Tool for Confidential Data Exchange via Public Blockchain. / Kryston, Michele; Marangone, Edoardo; Di Ciccio, Claudio et al.
Intelligent Information Systems: CAiSE 2025 Forum and Doctoral Consortium, Proceedings. ed. / Luise Pufahl; Kristina Rosenthal; Sergio España; Selmin Nurcan. Springer, 2025. p. 173-180 (Lecture Notes in Business Information Processing; Vol. 557 LNBIP).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AU - Kryston, Michele

AU - Marangone, Edoardo

AU - Di Ciccio, Claudio

AU - Friolo, Daniele

AU - Nemmi, Eugenio Nerio

AU - Samory, Mattia

AU - Spina, Michele

AU - Venturi, Daniele

AU - Weber, Ingo

N1 - Publisher Copyright: © The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.

PY - 2025/6/7

Y1 - 2025/6/7

N2 - Blockchain technology streamlines multi-party collaborations in decentralized settings, especially when trust is limited or difficult to establish. While public blockchains enhance transparency and reliability by replicating data across all network nodes, they also conflict with confidentiality. Here, we introduce Multi-Authority Approach to Transaction Systems for Interoperating Applications (MARTSIA) to address this challenge. MARTSIA provides fine-grained read-access control at the message-part level by combining user-defined policies with certifier-declared attributes. The approach guarantees that even though data is replicated across the network to maintain consistency, fault tolerance, and availability, its confidentiality is securely preserved through encryption. To this end, MARTSIA integrates blockchain technologies, Multi-Authority Attribute-Based Encryption, and distributed hash-table file storages. This architecture effectively balances the transparency inherent in public blockchains with the privacy required for sensitive applications. We present the tool and its applicability in a business scenario.

AB - Blockchain technology streamlines multi-party collaborations in decentralized settings, especially when trust is limited or difficult to establish. While public blockchains enhance transparency and reliability by replicating data across all network nodes, they also conflict with confidentiality. Here, we introduce Multi-Authority Approach to Transaction Systems for Interoperating Applications (MARTSIA) to address this challenge. MARTSIA provides fine-grained read-access control at the message-part level by combining user-defined policies with certifier-declared attributes. The approach guarantees that even though data is replicated across the network to maintain consistency, fault tolerance, and availability, its confidentiality is securely preserved through encryption. To this end, MARTSIA integrates blockchain technologies, Multi-Authority Attribute-Based Encryption, and distributed hash-table file storages. This architecture effectively balances the transparency inherent in public blockchains with the privacy required for sensitive applications. We present the tool and its applicability in a business scenario.

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M3 - Conference contribution

AN - SCOPUS:105008658928

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Kryston M, Marangone E, Di Ciccio C, Friolo D, Nemmi EN, Samory M et al. MARTSIA: A Tool for Confidential Data Exchange via Public Blockchain. In Pufahl L, Rosenthal K, España S, Nurcan S, editors, Intelligent Information Systems: CAiSE 2025 Forum and Doctoral Consortium, Proceedings. Springer. 2025. p. 173-180. (Lecture Notes in Business Information Processing). doi: 10.1007/978-3-031-94590-8_21