| Term | Meaning |
|---|---|
| Meta-address | Public bundle of spending_pk + viewing_pk published via name service |
| Spending keypair | Keypair used to derive spend-capable stealth keys |
| Viewing keypair | Keypair used to discover incoming payments |
| Announcement | Registry record carrying ephemeral_key, view_tag, metadata |
| View tag | 1-byte filter value derived from shared secret |
| Stealth address | One-time address derived for a single payment |
| Shared secret | 32-byte secret from ML-KEM encapsulation/decapsulation |
| Channel ID | Optional 32-byte identifier used by Yellow channel flows |
Core concepts
Terminology
Key SPECTER protocol terms