Coldcard MK4 - Bitcoin Hardware Wallet - In various colors

COLDCARD Mk4 by Coinkite is the iconic Bitcoin-only hardware wallet with dual secure elements (two multi-vendor chips) for air-gapped signing – perfect for maximum BTC security and multisig setups. Enhanced Performance: 120 MHz CPU, 840 kB memory + 8 MB RAM, PSRAM for PSBTs up to 2 MB, USB-C port, NFC-V compatible (deactivatable via trace cutting), and USB Virtual Disk mode (recognized as a 4 MB USB stick). Open-source firmware with anti-glitch protection, SHA-256/AES-Native, and 15-second updates.

Security Highlights: Trick PINs (duress labyrinth for temporary deactivation or seed deletion), Fast Wipe (immediate seed wipe), Kill-Key during login, and serial debug pins. NFC for PSBT, address, and XPUB transfer via tap (disabled by default), MicroSD support for backups/transactions. Protective case included, USB LED, and compact size (approx. 86x54x8 mm, 30 g) – ideal for portability. Compatible with Sparrow, Electrum, Nunchuk for offline Bitcoin transactions.

Scope of Delivery:

• COLDCARD Mk4
• USB-C cable
• Protective case
• Batteries/SD not included!

Buy your Bitcoin hardware wallet from Copiaro – the reliable BTC Coldcard for HODLers, Trick PIN protection, and ultimate privacy. With dual SE, NFC/USB deactivation, and PSRAM: Unrivaled air-gapped protection for Bitcoin self-custody, against phishing or physical attacks. Coinkite standard for professionals!