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Disclosures

A disclosure is what the user’s proof attests to. You configure them per flow in the Configure tab, and which ones are available depends on the product. There are two kinds:

  • Predicates: a pass or fail answer (age, country, OFAC). The underlying value stays hidden.
  • Reveals: the actual value of a document field, returned only when you ask for it.

Security level

Choose how strictly the document is checked:

  • Standard: the document is genuine.
  • Hi-security: the user also physically scanned the document’s chip.

Age (predicate)

Available in Pre KYC and Age Verification. Set a minimum age; the user proves they meet it without revealing their birth date.

{ "age_gte_18": true }

Country (predicate)

Available in Pre KYC. Deny issuing countries with an excluded list (ISO 3166-1 alpha-3 codes). The user proves their document’s country isn’t on it, without revealing which country it is.

{ "country_allowed": true }

OFAC (predicate)

Available in all products (a toggle, on by default). The user proves they don’t match the OFAC sanctions list, which Self keeps updated daily. On a match, the verification is rejected.

{ "ofac_clear": true }

Proof of human (predicate)

The core of the Proof of Human product, and present implicitly in the others since every verification is backed by a genuine document. The user proves they’re a unique, real human via a nullifier derived from the document, stable per person in your product, unlinkable across products. See How verification works.

Additional data (reveals)

Available in Pre KYC. Beyond the pass or fail predicates, you can ask the user to disclose specific document fields. Each is off by default, so request only what you need:

Full name, ID number, Date issued, Date of birth, Gender, Nationality, Expiration date, Issuing state.

A reveal returns the actual value, so it’s personal data you then have to handle responsibly.

What is never disclosed

  • Anything you didn’t configure. Predicates return only a pass or fail; reveals return only the fields you turned on.
  • The user’s biometric data and the raw document scan, those never leave the device.