Protocol Architecture

This section covers the core architectural components of the Aztec protocol.

Topics Covered

• Addresses & Keys - How addresses and cryptographic keys work in Aztec
• Wallets - Wallet architecture and account abstraction
• Call Types - Different types of function calls (private, public, etc.)
• PXE & ACIR Simulator - Private execution environment and circuit simulation
• Transactions - Transaction structure and lifecycle
• Fees - Fee mechanism and payment
• Nullifier Merkle Tree - Nullifier tree structure and operations
• Note Discovery - How users discover their private notes
• Circuits - Overview of the circuit architecture
• Storage Slots - How storage is organized in contracts

Navigate through the sections in the sidebar to learn more about each component.