A Claim is something the identity can prove without revealing private information.

It is derived from:

Examples of claims:

Claim Derived From Example Proof
Over 18 age ZK: age ≥ 18
Lives in EU country_of_residence ZK set membership
Has Driver License has_driver_license attestation check
Works at Org employee_of Merkle inclusion proof
Has Tier 3 Subscription subscription[TierID] ZK equality / membership

Claims are not stored — they are generated on demand.