meet the hardware wallet that looks like a game boy and possesses the ethos of a seasoned self-sovereign vet

The Keycard Shell is a hardware wallet that prioritizes security and self-sovereignty over aesthetics, featuring NFC chip card form factor, QR code based signing, and open-source design. It has a unique retro design reminiscent of a Game Boy and a 90s calculator. The device uses Nokia BL-4C batteries for fully air-gapped security.