A full viewing key enables one to identify incoming and outgoing notes only. It consists of three components:
- , the authorization key, a point on the
decaf377curve, derived as described in the proof authorization keys section,
- , the nullifier deriving key, used for deriving nullifiers for notes, derived from multiplying by a fixed generator point on
- , the outgoing viewing key, derived as described in the expanded spending keys section,
The incoming viewing key is derived from hashing together and .