OptionalexpirationDate?: TimestampOptionalexpirationRef?: Uint8ArrayCould reference blockchain or epoch number.
Optionalid?: PublicKeyCredential identifier (e.g., for storage indexing).
OptionalissuanceDate?: TimestampOptionalissuer?: PublicKeykey = { Space (genesis) | Identity (genesis) | (authorized) Device }
Can be used for resolution of concurrent mutually exclusive actions
Optionalproof?: ProofOptionalsubject?: Claim
Generated
from field: optional google.protobuf.Timestamp expiration_date = 4;