Security controls · C0185
How are ledger pseudonyms made?
Designed, not yet built
Short answer
By keyed hashing with a per-sphere key and per-patient randomness, so pseudonyms differ across spheres and linkage exists only inside consented, encrypted records.
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
- Who holds the root of trust? Designed
- Does consent use the ledger? Designed
- What if the two sides of a bridge disagree? Designed
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