Summary

Keycard is a modular, open-source crypto hardware wallet, specifically the “Keycard Shell,” which offers unparalleled security through its design: one device with infinite backups using removable Keycards, each containing its own unique key. It’s part of the Institute of Free Technology and provides resources like a start guide, help, FAQ, and developer information. Available in multiple languages including English, French, German, Spanish, and Dutch.

Title

Keycard: Open-Source Air-Gapped Crypto Hardware Wallet

Description

Secure your crypto with Keycard hardware. Air-gapped, contactless NFC, and open-source. Use Keycard Shell for modular cold storage and Keycard for everyday access.

Keywords

keycard, shell, open, hardware, source, wallet, security, wallets, design, card, start, guide, help, keycards, founder, keys, device

NS Lookup

A 76.76.21.21

Dates

Created 2026-03-14

Updated 2026-03-14

Summarized 2026-03-14