In StockCC-MK4

Coldcard Mk4 – Air-Gapped Bitcoin Signing Device

$249.00

Description

The gold standard in Bitcoin-only hardware wallets. Fully air-gapped operation via microSD, secure element chip, anti-phishing measures, and open-source firmware. No USB required for signing transactions.

Technical Specifications

Air-Gapped via MicroSD
Bitcoin-Only Focus
Secure Element (ATECC608A)
Anti-Phishing Words
Open-Source Firmware
NFC Signing Support
Factory Sealed
No USB Required

Model:CC-MK4

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