Introduction
Architecture
Layered Architecture
Application Layer
VM Layer
1. Scrypto WASM VM
2. Native VM
System Layer
Kernel Layer
Database Layer
Execution
Transaction Lifecycle
Application Environment
Native Systems
Transaction Processor
1. Transaction Processor Blueprint
Resources
Auth
Costing/Limits
Royalties
1. Package Royalties Blueprint Module
2. Component Royalties Object Module
Metadata
1. Metadata Object Module
Protocol
Genesis Bootstrap
Protocol Updates

Radix Engine

Protocol Updates

Similar to genesis bootstrapping, a protocol update is a series of transactions which includes a set of substates to flash and a set of transactions to execute.