Coldcard

Air-gapped hardware wallet with advanced security features.

Category:Bitcoin Wallets Security & Privacy

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About

Coldcard is a secure Bitcoin hardware wallet that offers the highest level of security for storing and signing Bitcoin transactions. Designed for users who prioritize privacy and control, Coldcard ensures that your private keys are never exposed to the internet with its air-gapped system. Featuring dual secure elements, verifiable open-source code, and advanced security options such as duress PINs and brick-me PINs, Coldcard is the ultimate solution for safeguarding your Bitcoin assets in a self-custodial and tamper-resistant device.

Key Features

Dual Secure Element
Enhanced physical security with two dedicated chips designed specifically for secure key storage.
Air-Gapped Security
Coldcard never connects to the internet, keeping your private keys completely offline and secure from remote attacks.
Advanced PIN Features
Includes duress PIN and brick-me PIN options for added protection in emergency situations or under coercion.
QR Code Scanning
Built-in high-quality QR scanner with LED illumination makes transaction signing easy and reliable.
Verifiable Open Source
All firmware and software are open source and publicly available, allowing users to verify, audit, and compile the code independently.
Portable & Durable
Designed to be compact and physically resilient, ensuring secure key storage in any environment.

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