BAC-L0-FOUND-113
Nodes, validators and network roles
Who does what in a network: full node, archive node, light client, validator, collator. Confusing them makes any infrastructure discussion impossible.
- Level
- L0 — Foundation
- Duration
- 3 h
- Track
- Foundation
- Maintainer
- Developer Curriculum Architect
Learning objectives
- 01Distinguish roles by what they store and what they verify
- 02Choose the node type that fits a given need
- 03Estimate the storage cost of an archive node
Guided lab
Run a node in full mode then in light mode, comparing resources, sync time and capabilities.
Independent lab
Size the infrastructure for a public RPC node serving a regional application.
Security angle
What a light client delegates, and why that delegation is a trust assumption.
Assessment
A costed, justified sizing note.