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In this paper, a novel application of blockchain technology is proposed that integrates with the Elliptic Curve Digital Signature Algorithm (ECDSA) for secure transaction management. Our system facilitates fast, anonymous transactions off the blockchain through an intermediary, the Validator, ensuring robust anonymity similar to TumbleBit’s unlinkable Payment Hub. Transactions are backed by cryptographic proofs, preventing the Validator from compromising anonymity, misappropriating assets, or engaging in unauthorized transactions. Security is rigorously analyzed utilizing the random oracle model and the real/ideal world paradigm, demonstrating the protocol’s resilience under standard cryptographic assumptions. Implementation tests with a diverse user base show rapid transaction completion times, highlighting the system’s efficiency and scalability. This innovation promises applications across sectors requiring secure, private transactions.

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Enhancing Transaction Security and Privacy with Blockchain and ECDSA: A Validator-Based Approach for Fast and Anonymous Transactions

  • 会议论文

  • 发表日期：

    2026年

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  • Riya Raizada,
  • Shatakshi Saxena,
  • Srishti Jethi,
  • Yashasvi Bhardwaj,
  • Ashima Anand,
  • Jyoti Rani

摘要

In this paper, a novel application of blockchain technology is proposed that integrates with the Elliptic Curve Digital Signature Algorithm (ECDSA) for secure transaction management. Our system facilitates fast, anonymous transactions off the blockchain through an intermediary, the Validator, ensuring robust anonymity similar to TumbleBit’s unlinkable Payment Hub. Transactions are backed by cryptographic proofs, preventing the Validator from compromising anonymity, misappropriating assets, or engaging in unauthorized transactions. Security is rigorously analyzed utilizing the random oracle model and the real/ideal world paradigm, demonstrating the protocol’s resilience under standard cryptographic assumptions. Implementation tests with a diverse user base show rapid transaction completion times, highlighting the system’s efficiency and scalability. This innovation promises applications across sectors requiring secure, private transactions.