- Printer - print temporary QR codes, paper wallets
- QR code scanner software -
apt-get install zbar-tools - Crypto Node
- Video Surveillance for system tampering (air-gapped)
# example use case (add-on to verdantwarden.sh)
# `blueproximity` - user leaves computer system
# `udev` rules.d trigger
# `Motion` - activate detection for tampering with air-gapped system
https://www.instructables.com/id/Design-and-Print-Your-Own-Temporary-Tattoos/
https://bitcoinpaperwallet.com/index.php
https://pinode.weebly.com/
https://pinode.weebly.com/hardened-cold-storage.html
https://github.com/ZBar/ZBar
http://zbar.sourceforge.net/
https://wiki.archlinux.org/index.php/webcam_setup
https://github.com/jaromil/HasciiCam
https://www.maketecheasier.com/broadcast-live-video-in-ascii-art-with-hasciicam/
http://www.lavrsen.dk/foswiki/bin/view/Motion/WebHome
https://www.kerberos.io/
https://die-antwort.eu/techblog/2017-12-setup-raspberry-pi-for-kiosk-mode/
https://askubuntu.com/questions/487488/how-to-open-chromium-in-full-screen-kiosk-mode-in-minimal-windows-manager-enviro
https://www.danpurdy.co.uk/wp-content/cache/page_enhanced/www.danpurdy.co.uk/web-development/raspberry-pi-kiosk-screen-tutorial/_index.html