Please describe your proposed solution.
Abstract
Blockchain technology has garnered significant attention owing to its potential to revolutionize various sectors, including voting systems. The decentralized nature of blockchains ensures transparency, immutability, and security, addressing the challenges faced by traditional voting systems. This robust research explores the application of zero-knowledge proofs (ZKPs) within blockchain ecosystems for enhancing the voting process, with a particular focus on the potential utilization in the Catalyst voting process. ZKPs not only preserve privacy by eliminating the need for sharing actual data but also provide verifiability and security.
This research delves into the workings of blockchain ecosystems with ZKPs, their benefits, challenges, and potential implementation within the Catalyst voting process.
Solution
This research proposes leveraging zero-knowledge proofs (ZKPs) in blockchain ecosystems to enhance voting transparency in the Catalyst voting process. ZKPs are a cryptographic technique that allows a prover to demonstrate the validity of a statement without revealing the underlying information. Preliminary research into other ecosystems reveals the following benefits of ZKPs in the voting process, including:
Enhanced Voter Privacy: ZKPs enable voters to prove their eligibility and cast their votes without revealing their actual choices, safeguarding their privacy.
Improved Voting Security: ZKPs can be used to verify voter identities and prevent unauthorized voting, ensuring the integrity of the voting process.
Enhanced Transparency: Blockchain technology provides an immutable and transparent record of all voting transactions, allowing for public audit and verification of the voting process.
ZKPs for Voter Identity Verification: Voters can prove their eligibility using ZKPs without revealing their identities, ensuring only authorized individuals can participate.
ZKPs for Voter Privacy Protection: Voters can cast their votes using ZKPs, proving their choices without revealing their identities, safeguarding their privacy.
Several blockchain-based voting systems are currently in development or deployment, each with its unique approach and features. A comparative analysis of these systems highlights the potential benefits of incorporating ZKPs into the Catalyst voting process.
Zcash: Zcash, a privacy-focused cryptocurrency, utilizes ZKPs to conceal transaction amounts and sender/recipient identities. This demonstrates the feasibility of using ZKPs in blockchain-based voting systems to protect voter privacy.
Espresso Systems: Espresso Systems is a decentralized voting platform that employs ZKPs to protect voter privacy and verify vote integrity. Their approach emphasizes the use of ZKPs to address the transparency and security concerns of electronic voting systems.
Aeternity: Aeternity is a blockchain platform that supports ZKPs and offers a development framework for building secure and transparent voting applications. Their platform provides a foundation for developing ZKP-based voting solutions.
Potential Use Case
The proposed research findings shows that Cardano Catalyst community can develop ZKPs that offers distinct advantages compared to the other blockchain voting ecosystems mentioned above.
Process and Methodology for Researching ZKPs in Catalyst Voting
Phase 1: Literature Review (3 months)
I. Deliverables
Research listings: Make a comprehensive list of research papers, articles, and relevant resources on ZKP-based voting systems and blockchain ecosystems. Each entry should be annotated with key findings, strengths, weaknesses, and applicability to Catalyst voting.
• Comparative analysis of ZKP schemes: A detailed comparison of different ZKPs suitable for Catalyst voting, including range proofs, zk-SNARKs, and other emerging schemes. This will include an analysis of their advantages and limitations in terms of voter anonymity, vote privacy, result accuracy, and computational efficiency.
• Research gap identification: A clear and concise identification of specific research gaps related to applying ZKPs to Catalyst voting on a side chain. This will highlight areas needing further investigation, such as side chain interaction protocols and optimized ZKP tallying for Catalyst's voting process.
II. Outputs
Review existing research:
• Explore existing ZKP-based voting systems and their application to blockchain ecosystems.
• Analyze the advantages and limitations of different ZKP schemes (e.g., range proofs, zk-SNARKs).
• Identify research gaps specifically relevant to Catalyst voting (e.g., side chain considerations).
Phase 2: Technical Exploration (2 months)
I. Deliverables
• Plutus and ZKP library capabilities report: An in-depth assessment of Plutus's current capabilities for ZKP implementation and the potential of existing ZKP libraries like Marlowe-zkp. This will also include Identifying any limitations or missing functionalities that could hinder the project's progress.
• Side chain interaction proposal: A detailed proposal outlining a secure and efficient protocol for interacting with the Catalyst side chain for ZKP verification and potential data exchange. This should address potential security risks and performance bottlenecks.
• ZKP tallying complexity analysis: A comprehensive analysis of the computational complexity of applying ZKPs to tally votes in Catalyst. This should include theoretical explanations, simulations with realistic data, and potential optimizations for scalability and real-time feasibility.
II. Outputs
Technical feasibility assessment:
• Evaluate the current capabilities of Plutus and potential ZKP libraries (e.g., Marlowe-zkp).
• Investigate side chain interactions and potential bridging mechanisms for ZKP verification.
• Analyze the computational complexity of ZKP tallying in the context of Catalyst voting.
Phase 3: Evaluation, Performance and Reporting (3 months)
I. Deliverables
• Community feedback report: A comprehensive report summarizing feedback from the Catalyst community and Cardano developers on the ZKP-based voting scheme. This should include usability assessments, suggestions for improvement, and alignment with Catalyst's specific needs.
• Performance and scalability benchmarks: A set of benchmark results comparing the prototype's performance against established benchmarks and simulations. This should assess efficiency, scalability, and potential bottlenecks for further optimization.
• Final research report: A comprehensive report summarizing the entire research process, including literature review findings, technical exploration results, evaluation outcomes, and refined ZKP-based scheme details. This should also outline future research directions and potential applications beyond Catalyst voting.
II. Outputs
Evaluation with Catalyst community:
• Present the research findings to the Cardano Catalyst community and Cardano developers.
• Gather feedback on usability with Catalyst voting needs from Cardano Catalyst community.
• Refine the ZKP-based scheme based on community input and feedback.
• Performance and scalability analysis:
• Benchmark the research for efficiency and scalability.
• Preempt potential bottlenecks and optimize the ZKP scheme for smoother operation.
• Documentation and reporting:
• Prepare comprehensive documentation and report outlining the research process, summarizing the research findings, and future research directions.