Privacy fundamentals · C0030
Is patient data stored on the ledger?
Designed, not yet built
Short answer
Never. Only hashes, consent records and audit records go on the federated ledger, so deletion and correction rights can be honored. The ledger is designed, not yet built.
This is designed, not built.
Status as of September 30, 2026. Version 0.2.0, synthetic data only. See what's built today. Not legal, medical or security advice.
Related answers
- Where is patient data stored? Designed
- Can a hash on the ledger identify someone? Designed
- Do registration staff see clinical charts? Pilot
- Is patient data ever sold or used to train AI? Designed
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