WelliRecord

Blockchain-Powered Health Data Sovereignty

WelliRecord: Blockchain-Powered Health Data Sovereignty

1. Core Concept

No more centralized hospitals hoarding data. No bureaucrats snooping into your health records.

With WelliRecord, every patient owns their medical history — not on paper, not on some hospital server,

but on a decentralized system powered by IPFS + Ethereum.

2. Digital Identity

Each user (patient or doctor) has a blockchain identity via their Ethereum wallet address.

When a new user connects (via Metamask or similar), the system checks the smart contract:

•If no identity exists? A “Patient Block” or “Doctor Block” is minted.

•Now, you’re officially in the system — trustless, borderless, and decentralized.

3. Uploading Records

•The user uploads a record file (PDF, DICOM, lab result, etc.)

•The file is pinned to IPFS and generates a CID (Content Identifier)

•This CID is stored in the smart contract, linked to the user’s “Patient Block”

4. Access & Retrieval

•A patient or provider can retrieve the list of CIDs from the smart contract

•Use the CID to fetch the original file from IPFS

•Everything’s off-chain except pointers (CIDs) — so it’s gas-efficient and scalable.

5. Provider Workflow

•A healthcare provider connects their crypto wallet

•They can register a patient by adding their ETH wallet address (e.g., during an appointment)

•They can upload a new medical record and link it to the patient’s block

•They can retrieve the patient’s history using that public address

6. Patient Workflow

•Patient logs in with their wallet (already registered by provider)

•Sees all their medical records — transparent, permanent, portable

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🔒 Key Technical Layers (What Makes It Trustworthy)

•IPFS handles storage – files are immutable, distributed, and censorship-resistant

•Ethereum smart contracts handle access and logic – who can write, who can read

•No central authority – hospitals don’t own your data, YOU do

•Crypto wallets (like MetaMask) = single sign-on for health access

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🛠 Suggestions for Improvement or Clarification:

1.Permission Control (RBAC)

•You might want to add role-based access on-chain:

•Only verified doctors can upload records

•Patients can only read their own records

•Look into ZKP (Zero-Knowledge Proofs) if you want to keep access private yet verifiable.

2.Encryption at Upload

•Files on IPFS are publicly accessible by CID. That means unless you encrypt:

•Anyone with the CID can read the content

•Solution: Encrypt records client-side before uploading using the patient’s public key

•Decrypt only if the user has the corresponding private key (i.e. wallet auth).

3.Audit Logs / Event Tracking

•Store timestamped logs of actions (record added, access granted, etc.)

•Keep logs minimal to save gas, but maybe integrate with off-chain storage for a full audit trail (e.g., The Graph)

4.Metadata Standardization

•Use a simple schema for medical record metadata stored on-chain:

The Vision: WelliRecord Global

Tagline: “Your Health. Your Data. Anywhere.”

Picture this:

•A decentralized EMR (electronic medical record) protocol that’s interoperable across countries, languages, and systems.

•AI-powered diagnostic assistants and health bots integrated with personal records.

•Portable medical units — “WelliPods” — with IoT devices, remote diagnostics, and on-chain record syncing.

•Real-time health reporting, HIPAA-grade encryption, and zero-knowledge proof access control.

OUR ECOSYSTEM

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