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This demonstration presents TraSSI, a confidential traceability system designed for Self-Sovereign Identity (SSI) based Inter-organizational Business Processes (IOBPs). Unlike traditional Blockchain solutions, which often record transactional data on the ledger and raise privacy concerns, many SSI systems prioritize data control and compliance with privacy regulations by not storing these exchanges on the Blockchain. However, this introduces challenges for legal traceability, especially in audit scenarios. TraSSI addresses these challenges by integrating Zero-Knowledge Proofs (ZKP) and Fully Homomorphic Encryption (FHE) to provide an efficient balance between privacy and transparency. This demo will highlight the system’s application to secure traceability without compromising privacy and targets researchers and developers in the fields of privacy and Blockchain technology.

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TraSSI: A Confidential Traceability System for Self-sovereign Identity-Based Processes

  • 会议论文

  • 发表日期：

    2026年

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  • Amal Abid,
  • Slim Kallel,
  • Mohamed Jmaiel

摘要

This demonstration presents TraSSI, a confidential traceability system designed for Self-Sovereign Identity (SSI) based Inter-organizational Business Processes (IOBPs). Unlike traditional Blockchain solutions, which often record transactional data on the ledger and raise privacy concerns, many SSI systems prioritize data control and compliance with privacy regulations by not storing these exchanges on the Blockchain. However, this introduces challenges for legal traceability, especially in audit scenarios. TraSSI addresses these challenges by integrating Zero-Knowledge Proofs (ZKP) and Fully Homomorphic Encryption (FHE) to provide an efficient balance between privacy and transparency. This demo will highlight the system’s application to secure traceability without compromising privacy and targets researchers and developers in the fields of privacy and Blockchain technology.