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Training Mission · L1 Architect
L1 ArchitectADVANCED60 min170 XP

Validator Operations — Keys, Slashing, and Coordinated Upgrades

The validator-operations triangle: key management (HSM → MPC → threshold sigs), slashing avoidance (DB + fail-closed under partition), and coordinated chain upgrades (height-gated chain spec, four emergency tiers).

Course as operating doctrine · Source as primary text

Mission brief

This course is structured as a working assignment, not a content feed. Move through the lessons in order, accumulate the vocabulary, then carry the pattern back into the rest of the stack.

Start the course →4 lessons · native player
Difficulty
ADVANCED
Workload
60 minutes
Reward
170 XP
Validator Operations
  1. 01Lesson 1 — Validator key management: hot keys, HSM, MPC, threshold signatures18 min · 45 XP
  2. 02Lesson 2 — Slashing detection and the offline validator16 min · 40 XP
  3. 03Lesson 3 — Hot upgrades and coordinated chain upgrades16 min · 45 XP
  4. 04Quiz — Validator OperationsQUIZ · 10 min · 40 XP