# Protocol Concepts

- [Keys and Stealth Addresses](/nocturne/protocol-concepts/keys-and-stealth-addresses.md): An introduction to Nocturne's anonymous addressing scheme
- [Notes, Commitment Tree, Nullifiers, and JoinSplits](/nocturne/protocol-concepts/notes-commitment-tree-nullifiers-and-joinsplits.md): An introduction to Nocturne's anonymous bookkeeping primitives
- [Deposits](/nocturne/protocol-concepts/deposits.md): High-level overview of the deposit flow
- [Operations](/nocturne/protocol-concepts/operations.md): High-level overview of the operation flow