Product Information
What is Coldcard-hardware-wallet?
To Bitcoin's hardware wallet
How to use Coldcard-hardware-wallet?
COLDCARD is a hardware wallet designed specifically for Bitcoin, offering the ultimate secure way to store and manage Bitcoin and ensuring asset safety.
Core Functions of Coldcard-hardware-wallet
Provide Bitcoin-Specific Storage
Dual Security Chip Design
Support Air-Gapped Operation
Verifiable Source Code
Equipped with Large Screen and Keyboard
Support QR Code Scanning and MicroSD Card Slot
Usage Scenarios of Coldcard-hardware-wallet
- Securely store Bitcoin private keys.
- Generate and manage mnemonic phrases.
- Sign Bitcoin transactions.
- Input long BIP-39 passphrases.
- Transfer data via NFC.
- Operate via QR code scanning.
Common Questions about Coldcard-hardware-wallet
What does COLDCARD do?
How do I use COLDCARD?
What are the core features of COLDCARD?
What are the use cases for COLDCARD?



















