> For the complete documentation index, see [llms.txt](https://kerc.gitbook.io/kerc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kerc.gitbook.io/kerc/outlook/health-data-vault-subscription-model.md).

# Health Data Vault (Subscription Model)

KERC’s Health Data Vault offers patients:

* Private and secure long-term storage of EMRs (Electronic Medical Records)
* Cross-provider interoperability
* Wallet-linked access to encrypted health records
* Subscription tiers for individuals, families, and SMEs

#### Blockchain & Interoperability

* Integrated with XDC mainnet

  🔗 [Smart Contract on XDCScan](https://xdcscan.com/address/0xBa3DF4c9dAC3eDf90C339026860912F1ff81Eddd)
* Launching KERC Chain Partnership in Q4 2025:

  A private blockchain designed to manage encrypted medical record transactions across partner clinics and verified institutions.

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#### Token Utility (Planned, Opt-In)

While the project currently operates on fiat and subscription rails, a future tokenised layer may enable:

* Rewards for anonymised data sharing
* Reputation scoring and access to AI-backed insights
* Governance for clinic partners and ecosystem contributors

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