BAC-L2-AVAX-112Avalanche
Custom virtual machines I — concepts
Leaving the EVM model behind: defining for yourself what a transaction, a block and a state transition mean in your domain.
- Level
- L2 — Appchain developer
- Duration
- 4 h
- Track
- Avalanche
- Maintainer
- Avalanche Lead Architect
Learning objectives
- 01Describe the interface a virtual machine must implement
- 02Design a transaction model specific to a domain
- 03Decide between a bespoke VM and a customised EVM
Guided lab
Walk through an existing minimal virtual machine and map its entry points.
Independent lab
Specify a virtual machine for a land-title registry: transactions, state, validity rules.
Security angle
Writing your own virtual machine means re-assuming guarantees the EVM was providing for free.
Assessment
Specification reviewed on the completeness of its validity rules.