Description

Secure your Bitcoin and sleep like a baby

An Open & Ultra-secure Hardware Wallet! Coldcard is a Bitcoin hardware wallet, it signs transactions to keep the private keys offline.

• Bitcoin Only
• Verifiable Source Code
• Easy-to-use
• Ultra-Secure

Only signing device (hardware wallet) with option to avoid ever being connected to a computer, for its full life cycle: from seed generation, to transaction signing. Uses PSBT (BIP174) natively!