Cardano Glucose Tracker: Secure Health Records

[Proposal setup] Proposal title

Please provide your proposal title

Cardano Glucose Tracker: Secure Health Records

[Proposal Summary] Budget Information

Enter the amount of funding you are requesting in ADA

50000

[Proposal Summary] Time

Please specify how many months you expect your project to last

5

[Proposal Summary] Translation Information

Please indicate if your proposal has been auto-translated

No

Original Language

en

[Proposal Summary] Problem Statement

What is the problem you want to solve?

Patients with diabetes lack a single, trusted health record. Data is easily lost or tampered with, hindering accurate sharing with doctors and leading to poor long-term health outcomes.

[Proposal Summary] Supporting Documentation

Supporting links

• https://github.com/EsubalewAmenu/Glucose-Tracker
,
• https://play.google.com/store/apps/developer?id=Herma+plc
,
• https://www.linkedin.com/company/datascience-computing

[Proposal Summary] Project Dependencies

Does your project have any dependencies on other organizations, technical or otherwise?

No

Describe any dependencies or write 'No dependencies'

We'll use the currently implemented and publicly released repository to add the blockchain features.

[Proposal Summary] Project Open Source

Will your project's outputs be fully open source?

Yes

License and Additional Information

The project will be fully open source and licensed under the MIT License. All blockchain integration features, including the on-chain glucose data storage and verification functionalities, will be made available through a public GitHub repository throughout the entire project lifecycle. This ensures transparency, community contribution, and easy adoption for future enhancements.

[Theme Selection] Theme

Please choose the most relevant theme and tag related to the outcomes of your proposal.

Smart Contracts

[Campaign Category] Category Questions

Describe what makes your idea innovative compared to what has been previously funded (whether by you or others).

Our innovation lies in creating a trust layer for patient-generated health data, a critical gap not addressed by existing health apps or many previously funded blockchain projects.

The core innovation is this "verifiable data bridge." It empowers patients with true ownership of a lifelong, tamper-proof health record, secured by their Cardano wallet. This moves beyond theoretical use cases and provides a practical blueprint for Decentralized Health (DeHealth) on Cardano, demonstrating its utility for high-assurance data integrity in the massive healthcare sector.

Describe what your prototype or MVP will demonstrate, and where it can be accessed.

Our prototype will be a functional, web-based Proof-of-Concept (PoC) DApp that demonstrates the core value of our solution. It will showcase the following key functionalities: seamless wallet integration, on-chain data anchoring and data integrity verification

The MVP will be publicly accessible via a web link. This link will be shared with the community upon the completion of Milestone 2, allowing anyone to test the functionality by connecting their own testnet wallet.

Describe realistic measures of success, ideally with on-chain metrics.

Our measures of success are designed to be realistic and verifiable, with a strong emphasis on tangible on-chain metrics that demonstrate real-world utility.

• Primary On-Chain Metric: transaction volume: Our core success metric will be the number of data-anchoring transactions generated on the Cardano testnet.
• Key Off-Chain & Community Metrics: user adoption, clinical validation and open-source engagement.

These combined metrics will provide a comprehensive picture of our project's success, demonstrating not only technical feasibility but also user acceptance and community value.

[Your Project and Solution] Solution

Please describe your proposed solution and how it addresses the problem

The problem of unreliable and fragmented health data is a global issue, but it is especially acute in regions like Ethiopia, where millions managing chronic conditions like diabetes lack a consistent, trustworthy health history. This leads to ineffective treatment and puts patient health at risk.

Our solution, Glucose Guardian, directly addresses this by building upon the existing, functional glucose tracking application. With this foundation already in place, we will integrate Cardano to transform it into a decentralized DApp that puts patients in control of their own verifiable health records.

Core Blockchain Features We Will Build

1. Immutable Health Ledger: Instead of storing every single entry on-chain, which can be inefficient, we will use a more robust method. Daily glucose readings will be cryptographically hashed, and this unique hash will be anchored to the Cardano blockchain via a transaction. This creates an immutable, tamper-proof, and cost-effective audit trail. Anyone can verify that the data has not been altered since it was recorded.
2. Smart Contract-Verified Data: We will develop Plutus smart contracts that govern how data hashes are submitted and recorded. This ensures all data meets a predefined standard before being anchored on-chain, creating a "Glucose Guardian Standard" for data integrity.
3. Patient-Controlled Access: Your Cardano wallet becomes the key to your health data. Users will have sole control over their records and can grant or revoke access to healthcare providers or researchers, ensuring true data sovereignty without relying on a central authority.

Why Cardano is Essential for Glucose Guardian

Our choice of Cardano is deliberate and leverages the platform's unique strengths for this specific use case:

• High Assurance & Security: For sensitive health data, security is non-negotiable. Cardano’s peer-reviewed, methodical design provides the reliability and robustness required to be a trusted neutral ledger for medical records.
• Low & Predictable Fees: Patients may log data multiple times a day. Cardano's fee structure makes anchoring daily health data affordable and sustainable, a critical factor for long-term adoption, unlike other chains with volatile gas fees.
• Rich Transaction Metadata: We will utilize Cardano's ability to include detailed metadata in transactions. This allows us to efficiently store data hashes and other verification information directly on the blockchain without excessive complexity.

Who We Will Engage

Our initial pilot program will focus on a clearly defined group to ensure meaningful feedback and measurable impact. We will partner with a local health clinic to onboard an initial cohort of 50-100 diabetic patients. This focused approach will allow us to refine the user experience and prove the model's effectiveness before a wider rollout.

What Makes Our Solution Unique

While other health trackers exist, Glucose Guardian is unique because it creates a bridge of trust between the patient's self-reported data and the healthcare system. It’s not just about storing data; it's about making it verifiable. This project is important to Cardano because it moves beyond theory and provides a tangible blueprint for patient-owned, decentralized health records—a massive real-world use case where trust and security are paramount. It will serve as a foundational project, attracting further health-tech innovation to the Cardano ecosystem.

Current Progress

A functional glucose tracker app is already developed with key features including blood glucose level tracking, A1C estimates, advanced data filtering, CSV/PDF export, and email sharing of data with healthcare providers. The web application is mobile-friendly, offering an intuitive and adaptive interface for users on different devices. Additionally, the platform supports the import of glucose data via CSV, making it easy for users to manage existing data.

The next phase involves integrating blockchain features such as on-chain glucose data storage, secure data verification, and decentralized identity (DID) login. The repository is publicly available, and the groundwork for blockchain integration has been set. We are prepared to begin development of these blockchain enhancements upon receiving funding.

Github repo: https://github.com/EsubalewAmenu/Glucose-Tracker

Fig 1. Current status - dashboard

Fig 2. Current status - add new glucose record

This project is important to Cardano as it showcases the practical application of blockchain technology in enhancing securely records, verifies, and shares blood glucose data, contributing to the broader adoption of blockchain in diverse sectors.

[Your Project and Solution] Impact

Please define the positive impact your project will have on the wider Cardano community

This project will establish a powerful real-world use case for Cardano in the multi-trillion dollar healthcare industry, directly demonstrating its utility beyond finance. By creating a blueprint for decentralized health (DeHealth) applications, we will bring tangible value to the Cardano community in three key ways:

• Driving Real-World Adoption: Glucose Guardian will onboard a new, non-crypto-native demographic—patients and healthcare professionals—to the Cardano ecosystem. Each user will require a Cardano wallet to manage their health identity, creating genuine, utility-driven network growth.
• Generating Meaningful On-Chain Activity: Unlike speculative projects, our DApp will generate thousands of real, purposeful transactions as users anchor their daily health data. This consistent on-chain activity strengthens the network and showcases its efficiency for high-frequency, low-cost data integrity tasks.
• Creating an Open-Source Blueprint: Our fully open-source smart contracts and DApp will serve as a foundational template for other developers. This will lower the barrier to entry for building more sophisticated health-tech, supply chain, and data verification solutions on Cardano.

Measuring Our Impact

We will measure our success with clear, transparent metrics over the 6-month project duration:

Quantitative KPIs

• User Onboarding: Onboard a minimum of 50 tester users for our proof of concept.
• On-Chain Activity: Generate over 100 on-chain transactions for data anchoring, demonstrating real-world network usage.
• Developer Engagement: Achieve 10 forks and stars on our GitHub repository, indicating interest and adoption within the developer community.

Qualitative KPIs

• Clinical Validation: Publish a case study based on feedback from at least 5 participating healthcare professionals on the benefits of verifiable patient data.
• Patient Empowerment: Collect and share 20 testimonials from patients detailing their experience with owning and controlling their health data for the first time.

Sharing Our Outputs

We are committed to full transparency and knowledge sharing with the community:

• Fully Open-Source Repository: We will maintain a meticulously documented public GitHub repository under an MIT License, complete with guides for other developers to build upon our work.
• Regular Community Updates: We will provide monthly progress reports via our social channels and a comprehensive final report and video shared through Project Catalyst platforms.
• Direct Engagement: We will host two virtual or in-person workshops—one technical workshop for developers and one community showcase in collaboration with our clinical partners in Addis Ababa to present our findings and demonstrate the working product.

[Your Project and Solution] Capabilities & Feasibility

What is your capability to deliver your project with high levels of trust and accountability? How do you intend to validate if your approach is feasible?

Our team is uniquely positioned to deliver this project with a high degree of trust and accountability, grounded in proven experience and a robust validation plan.

Why We Are the Right Team

• Project is Already De-Risked: Our greatest strength is that we are not starting from scratch. We have a functional glucose tracking application. This project focuses on integrating Cardano's blockchain features into a proven, existing platform, significantly reducing development risk and timelines.
• Proven Catalyst Track Record: Several core team members have successfully delivered on previously funded Catalyst projects. We have a demonstrated history of meeting milestones, managing funds responsibly, and delivering on our promises within the Catalyst framework. Our past performance is the strongest indicator of our future accountability.
• Relevant Local Expertise: Based in Addis Ababa, our team possesses the specific skills required for success: Plutus smart contract development, user-centric frontend design, and an understanding of the local healthcare landscape needed for our pilot program.

Our Feasibility Validation Plan

We will validate our approach through a clear, phased process before full-scale deployment:

• Technical Proof-of-Concept : We will first deploy our smart contracts to the Cardano preprod testnet. We will simulate daily data anchoring for 50 users to confirm that our data hashing strategy is both cost-effective (targeting <0.2 ADA per anchor) and efficient.
• Risk Mitigation: We recognize that wallet onboarding can be a challenge. To mitigate this, we will create simple, localized video tutorials in Amharic and provide direct, in-person support during our pilot program.

Trust and Financial Accountability:

We are committed to the highest standards of transparency in managing community funds:

• Milestone-Based Execution: All work is tied to the clear, deliverable-based milestones outlined in our proposal. We will provide transparent monthly progress reports to the community.
• Dedicated Multi-Signature Wallet: All project funds will be held in a dedicated multi-signature wallet, requiring signatures from two separate core team members for any transaction. The wallet address will be made public for community oversight. This ensures no single individual has unilateral control over the treasury funds.

[Milestones] Project Milestones

Milestone Title

Smart Contract Development & Core On-Chain Logic

Milestone Outputs

• A fully functional Plutus smart contract designed to anchor data hashes.
• A documented command-line interface for interacting with the contract.
• A short video screencast demonstrating the core functionality.

Acceptance Criteria

• The Plutus smart contract for anchoring glucose data hashes is successfully written and tested.
• The contract is deployed to the Cardano preprod testnet.
• The complete, open-source code for the smart contract is published in our public GitHub repository.

Evidence of Completion

Evidence of completion will be

• A link to the repository
• The testnet contract address, and a transaction ID showing a successful data anchor operation.

Delivery Month

2

Cost

15000

Progress

30 %

Milestone Title

DApp Frontend Integration & Pilot Testing

Milestone Outputs

This milestone connects the existing web application to the Cardano blockchain and validates the user experience with a small, focused test group.

Outputs

• A functional, web-based Proof-of-Concept DApp connected to the preprod testnet.
• A user feedback summary report from the pilot test.

Acceptance Criteria

• The existing frontend application is integrated with CIP-30 compliant Cardano wallets (e.g., Eternl).
• Users can connect their wallet and successfully anchor their daily glucose data hash to the testnet via the DApp's user interface.
• A data verification feature is implemented, allowing a user to confirm the integrity of their data against the on-chain hash.
• A closed pilot test is conducted with at least 10 users to gather feedback on usability.
• Evidence of completion will be a public link to the working PoC DApp and the published user feedback report.

Evidence of Completion

• Video evidence of CIP-30 compliant cardano wallet connect
• Video of recording new daily glucose data
• On dashboard or list of glucoe data's page, Tx link to will be added to confirm their data on on-chain
• Test session images/videos

Delivery Month

4

Cost

15000

Progress

60 %

Milestone Title

Project Close-out Report & Open-Source Showcase

Milestone Outputs

This final milestone ensures all work is documented, reported, and shared with the Cardano community.

Outputs

• A comprehensive Project Close-out Report.
• A final project summary and demonstration video.
• A fully updated and documented public GitHub repository.

Acceptance Criteria

• The Close-out Report is submitted, detailing achievements, pilot testing results, key learnings, and a roadmap for future development (including mainnet deployment).
• A 2-3 minute video is produced that demonstrates the working PoC and explains its value to the Cardano ecosystem.
• The GitHub repository is finalized with all code, user guides, and developer documentation to allow others to build upon our work.
• All final outputs will be shared with the community.

Evidence of Completion

• Link to the project closeout report
• Link to 2-3 minutes final video
• Link to github repo (including smart contract code)

Delivery Month

5

Cost

20000

Progress

100 %

[Final Pitch] Budget & Costs

Please provide a cost breakdown of the proposed work and resources

Milestone 1: Smart Contract Development & Testnet Deployment

This initial funding covers the intensive, specialized development required to build the on-chain foundation of our project.

• Plutus Smart Contract Development: 10,000 ADA - Covers the design, coding, and internal testing of the core smart contract for anchoring data hashes, led by our certified Plutus Developer.
• Backend Logic & Testnet Deployment: 5,000 ADA - Covers the development of the backend logic needed to interact with the contract and the costs of deploying and testing on the preprod testnet.
• Project Management & Initial Documentation: 3,000 ADA - Covers project lead oversight and initial technical documentation.

Milestone 2: DApp Integration & Pilot User Testing

This is the largest phase, focusing on connecting the existing application to the blockchain and validating it with real users.

• Frontend UI/UX & Wallet Integration: 10,000 ADA - Covers the development work to integrate CIP-30 compliant wallets and build an intuitive user interface for on-chain interactions.
• Full-Stack Integration: 7,000 ADA - Covers the work to connect the frontend UI to the backend and smart contract, ensuring seamless data flow from user input to on-chain anchoring.
• QA, User Testing & Feedback Analysis: 5,000 ADA - Covers the resources for our QA tester and data analyst to manage the pilot program, conduct testing, and analyze user feedback.
• Pilot Program User Incentives & Infrastructure: 3,000 ADA - Covers small ADA stipends for our pilot testers and the costs of hosting the PoC DApp.

Final Milestone: Project Close-out & Open-Source Showcase

This final payment covers all activities related to reporting, documentation, and sharing our work with the Cardano community.

• Final Report & Video Production: 3,000 ADA - Covers the time and resources needed to compile the comprehensive close-out report and produce a high-quality summary video.
• Community Engagement & Workshop Hosting: 2,000 ADA - Covers the costs of hosting our two virtual or in-person workshops and promoting our findings to the community.
• Final Documentation & Contingency: 2,000 ADA - Covers the final push to fully document the open-source code for other developers and includes a small contingency for any unforeseen project wrap-up costs.

Total Budget: 50,000 ADA

[Final Pitch] Value for Money

How does the cost of the project represent value for the Cardano ecosystem?

Our proposed budget of 50,000 ADA represents an exceptionally high-value investment for the Cardano Treasury. This is not just a concept; it's the targeted enhancement of an existing product, delivered by an efficient and proven team. Here’s how we provide outstanding value for money:

1. Leveraging an Existing, Pre-Built Application

• This proposal's cost-effectiveness is dramatically increased because the core glucose tracking application is already built. The requested funds are not for starting from scratch but for the specific, value-adding task of integrating this functional platform with the Cardano blockchain. This leverages hundreds of hours of our prior unfunded development work, significantly de-risking the project and maximizing the impact of every ADA spent.

2. Highly Competitive Local Development Costs

• Our budget is based on the professional and highly skilled developer local market. These rates are significantly more competitive than most regional markets. For 50,000 ADA, we are delivering the work of a full, multi-disciplinary team over six months—an outcome that would cost several times more elsewhere. This allows the Cardano Treasury to fund a high-impact, real-world use case with remarkable efficiency.

3. Focus on Open-Source Public Goods

• Every ADA is directed toward building a reusable, open-source asset for the entire Cardano ecosystem. For this modest investment, the community receives not just a working DApp but a foundational blueprint for health-tech solutions on Cardano. The smart contracts and integration patterns we develop will be fully documented and available for any other project to use, amplifying the value of this investment far beyond our own application.

4. Zero Administrative Overhead

• Our budget is lean and entirely focused on execution. There are no costs for office space, administrative salaries, or proprietary software licenses. All funds are allocated directly to personnel, project infrastructure, and community engagement, ensuring maximum efficiency and direct value creation.

In summary, this project offers a low-risk, high-reward opportunity to fund a proven team to solve a real-world problem and create a valuable, open-source public good for the ecosystem at an exceptionally competitive cost.

[Required Acknowledgements] Consent & Confirmation

Terms and Conditions:

Yes