ColdCard Mk4 Bitcoin HW Wallet
The Coldcard Mk4 is a highly secure hardware wallet for managing cryptocurrencies. It features a built-in keypad and a clear display, allowing users to interact directly with the device without relying on a computer or smartphone.
ColdCard MK4
This is an easy to use open source and ultra-secure hardware wallet that is easy to backup through a MicroSD card. The hardware wallet provides a strong resistance against online threats like viruses and hacking since no software can be installed on it.
The cold card MK4 comes in a variety of vibrant colors; Pink, blue, white, green, orange.
PRODUCT FEATURES
Connectivity
Transactions can be signed using the MicroSD card, USB-C Cable, and the newly introduced NFC capability. It allows you to sign a transaction by just tapping the main button area of the hardware wallet.
Hardware wallet support
The coldcard MK4 supports bitcoin firmware only. It also supports displaying information such as an address received for the user to verify.
Dual Secure Element
The coldcard uses two secure elements from different vendors in order to protect your bitcoin.
Protective sleek cover
Coldcard MK4 comes with a rugged sleek cover that saves the screen from damage.
Push Transactions
The push transaction allows users to single-tap broadcast of transactions that had just been newly signed from coldcard to a phone.
NFC tap
This feature is a secure wireless transmission that easily sends data to the user’s phone.
Virtual Disk
The coldcard can imitate a USB disk drive, so sending partially signed bitcoin transaction can be a drag and drop
Product Content
Coldcard Mk4
ID tag
Tamper proof bag
2x stickers
Wallet Backup Bag