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Home Wallets CoinKite Coldcard Mk4
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CoinKite Coldcard Mk4

Reviewed by Yunis
16 February 2023 (Updated 20 July 2024)
Coldcard Mk4
Coldcard Mk4

Coinkite is a leading cryptocurrency security and hardware manufacturer. The company is based in Canada and products are made in Canada. The Coinkite company has a range variety of products and brands in the market. Coinkite offers different cryptocurrency hardware wallets in different styles and the first two well-known brands are OPENDIME and COLDCARD. Coinkite has some other products like BLOCKCLOCK, SATSCARD, TAPSIGNER and SATSCHIP. Those tools are very useful for Bitcoin enthusiasts who accept Bitcoin as the base currency.

Coinkite is a leading cryptocurrency security and hardware manufacturer. The company is based in Canada and products are made in Canada. The Coinkite company has a range variety of products and brands in the market. Coinkite offers different cryptocurrency hardware wallets in different styles and the first two well-known brands are OPENDIME and COLDCARD. Opendime is a Bitcoin hardware wallet in the size of a USB. It is designed to be used like paper money that you can hand over to anyone. Coldcard is a hardware wallet in the size of a hand calculator with three different models, Q1, MK3 and MK4. Coinkite has some other products like BLOCKCLOCK, SATSCARD, TAPSIGNER and SATSCHIP. Those tools are very useful for Bitcoin enthusiasts who accept Bitcoin as the base currency;

Coldcard Mk4 is the latest fully air-gapped Bitcoin-only cold wallet from Coinkite company. This is an updated version of Coldcard Mk3. Coinkite is the manufacturer company of the Coinkite brand and it is based in Canada. So the products are Canada-made. The manufacturing process is complicated for security purposes. The device has two Secure Element chips from two different suppliers. Different secure element chips are manufactured in different locations by different companies.

The Coldcard Mk4 is a hardware wallet that provides a secure way to store cryptocurrency offline. Hardware wallets are considered to be the most secure form of cryptocurrency storage, as they are not connected to the internet and are therefore immune to hacking and other online security threats.

One of the standout features of the Coldcard Mk4 is its user interface, which is well-designed and easy to use. The device has a simple, straightforward interface that makes it accessible to even those who are new to cryptocurrency. Additionally, the Coldcard Mk4 is built to be durable and tamper-proof, with a rugged design that protects the device from physical damage.

Another important aspect of the Coldcard Mk4 is its security. The device uses secure element technology and a physical button to confirm transactions, which provides an extra layer of security and helps to prevent unauthorized access to users' funds. The device also supports multi-sig, which allows multiple parties to sign a transaction, adding an additional layer of security to users' funds.

In terms of price performance, the Mk4 is pricey compared to same-tire cold wallets. You will only find the cold wallet when you open the box. and you need to pay extra for USB-C Cable, Coldpower Adapter, and spare batteries. If you are planning to use the wallet by plugging it into your computer, you don’t need batteries. The wallet works when connected to a computer.

In conclusion, the Coldcard Mk4 is a solid option for those looking for a secure way to store cryptocurrency. With its user-friendly interface, rugged design, and strong security features, the Coldcard Mk4 is definitely worth considering for those looking for a reliable and secure hardware wallet.

Pros

tick Two Secure Element chips
tick Fully Air-Gapped
tick Large Keypad and Screen

Cons

cross Fairly pricey
cross Have to pay for extra hardware

CoinKite Coldcard Mk4 Reviews

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Which Cryptos Does The CoinKite Coldcard Mk4 Support?

The CoinKite Coldcard Mk4 supports only Bitcoin.

Supported Software and Platforms

Which crypto software wallets and platforms does the CoinKite Coldcard Mk4 support? The CoinKite Coldcard Mk4 supports several crypto software wallets including Electrum.

CoinKite Coldcard Mk4 Specification

Core Data
Brand name CoinKite
Wallet name Coldcard Mk4
Release date Mar 2022
Input methods USB-C
CPU 120 Mhz
RAM 840 kB + 8 MB RAM
Mobile app tick Yes
Open source tick Yes
Altcoin support cross No
On screen 2FA tick Yes
Multisignature tick Yes
Pin code tick Yes
Password manager tick Yes
Memory card slot tick Yes
Not battery powered tick Yes
Total supported cryptocurrencies 1
Supported languages English
Interfaces MicroSD
Operating systems
Fingerprint reader cross No
Fast destruction cross No
Self destruct tick Yes
Face ID cross No
Segwit tick Yes
BIP32 compliant tick Yes
BIP39 compliant tick Yes
BIP44 compliant tick Yes
Physical Characteristics
Weight 30g
Width 86mm
Length 50mm
Height 7.5mm
Air gapped tick Yes
Display

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