Courses
Programs that treat the Offline Wallet Device Register as a skill — photographed serials, witness lines, and recovery readiness without putting secrets online.
Offline Register Lab
End-to-end practice designing, filling, and stress-testing a register for air-gapped hardware wallets.
Firmware Change Log Clinic
Document upgrades, aborts, and tooling hashes so auditors can replay a bench week.
Witness Sheet Design
Draft dual-control checklists that stay usable under gloves, cameras, and interruptions.