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Enforcing Fairness in Blockchain Transaction Ordering.

Ariel Orda1, Ori Rottenstreich1

  • 1Technion, Haifa, Israel.

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Summary
This summary is machine-generated.

This study introduces methods to ensure fair transaction ordering in blockchain networks. Techniques are proposed to detect dishonest nodes and enforce equitable block selection, improving quality of service for all applications.

Keywords:
Block SelectionBlockchainConsensus mechanismsFairness

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Area of Science:

  • Computer Science
  • Cryptography
  • Distributed Systems

Background:

  • In multi-application blockchain networks, transaction ordering significantly impacts application quality of service.
  • Nodes may prioritize their own transactions, leading to unfairness and delayed approvals for other applications.

Purpose of the Study:

  • To develop and validate techniques for enforcing fair block selection in blockchain networks.
  • To address the issue of dishonest nodes manipulating transaction order for self-benefit.

Main Methods:

  • Design and explanation of a statistical test to accurately assess the honesty of block proposals.
  • Development of a technique using concise commitments for fair block selection based on pending transactions.

Main Results:

  • Experimental validation demonstrating the high accuracy of the proposed statistical test for honesty detection.
  • The new mechanisms offer advantages over existing state-of-the-art methods for fair block selection.

Conclusions:

  • The proposed toolbox effectively enforces fair block selection, enhancing the reliability and fairness of blockchain networks.
  • These techniques improve the quality of service for all applications by preventing transaction ordering manipulation.