BAC-L3-DOT-111Polkadot
Operating a Polkadot validator
Going from a node that runs to a validator that holds: session keys, failover, slashing, and the discipline that prevents double-signing.
- Level
- L3 — Infrastructure engineer
- Duration
- 4 h
- Track
- Polkadot
- Maintainer
- Polkadot / Substrate Lead Architect
Learning objectives
- 01Configure and rotate session keys
- 02Set up monitoring that detects missed block production
- 03Design a failover procedure that never double-signs
Guided lab
Deploy a test validator, activate it, and verify its participation across a full era.
Independent lab
Write and test a documented failover procedure a third party can execute under pressure.
Security angle
Reproduce equivocation conditions in an isolated lab, then design the guard that prevents it.
Assessment
Failover procedure executed by a peer with no help from its author.