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Coldcard Mk4 logo
hardware wallet

Coldcard Mk4

📍 Global
Community ELO
1200

Technical Specifications

price usd
147.94
air gapped
Yes
screen type
OLED
battery included
No
open source software
Yes

About Coldcard Mk4

Coldcard Mk4 is a Bitcoin-only hardware wallet geared towards extreme security, supporting true air-gapped operations via MicroSD and NFC.[source]