---
title: "Keycard Shell"
description: "Modular, air-gapped hardware wallet for easy self-custody The Keycard Shell is a fully open-source hardware wallet designed for air-gapped transaction…"
url: "https://bitsaga.be/shop/product/keycard-shell"
language: "en"
---

> Modular, air-gapped hardware wallet for easy self-custody The Keycard Shell is a fully open-source hardware wallet designed for air-gapped transaction…

# Keycard Shell

€150.00, VAT included

Availability: In stock
SKU: KEYCARD-SHELL
Brand: Keycard
Category: Storage

## Features

- **Air-gapped operation**Transactions are signed offline using QR codes. No USB data connection, Bluetooth, Wi-Fi, or NFC is required for signing.
- **Removable secure element**Private keys reside on individual Keycards. Each card can have its own PIN and seed, enabling separation of wallets, backups, or roles.
- **Open-source hardware and firmware**The device firmware, hardware design, and tooling are fully open source and auditable.
- **Replaceable battery**Powered by a standard BL-4C battery, allowing easy replacement and extended device lifespan.
- **On-device verification**Built-in screen and camera allow users to review transaction details before signing.
- **Duress PIN support**Optional secondary PIN can reveal a decoy wallet if entered under coercion.

 

### What’s included

- 1 × Keycard Shell device
- 2 × Keycards
- Replaceable battery
- Quick start documentation

[View on the shop](https://bitsaga.be/shop/product/keycard-shell)