Tools you carry in.

Unique profile pics from a seed. Same name, same face, every time.

A face and a name for a box with no accounts.

Pack a folder for USB. Hashes on the way out, check them on the way in.

Seal a Deno project so it runs after the cable comes out.

Move a small secret with a screen and a camera. No cable, no wifi.

HTTPS on a LAN that will never see Let's Encrypt.

A log of what happened on this machine that you can hash and trust later.

A hashed inventory of what you carried in.