CoinkiteBitcoin-only wallet

Coinkite Coldcard Q

Name: Coinkite Coldcard Q
Brand: Coinkite

Coinkite Coldcard Q is a Bitcoin-only wallet released in 2024. Key specs: secure element chip, air-gapped signing, signing connectivity USB-C, NFC, QR code, microSD, screen size 2.3″.

7.9Score

Security8.2

Open source4.9

Bitcoin features8.8

Ease of use5.6

Connectivity7.8

price range€205–255Reference price converted from USD

Full specifications

Year: 2024
Type: Bitcoin-only wallet
Brand: Coinkite
Popularity: #1 of 141

YesSecure Element chip

NoOpen-source firmware

YesAir-gapped signing

USB-C, NFC, QR code, microSDSigning connectivity

2.3″Screen size

YesBuilt-in battery

93 gWeight

Spec guide

How it ranks among Bitcoin-only wallets

Spec guide

Screen size · 2.3″Top 50%Weight · 93 gBottom 25%

Compared with every model of this kind in the catalog.

compared with other Bitcoin-only wallets

Why is Coldcard Q a good choice?

Compatible third-party wallets: 16better than 95% of Bitcoin-only wallets

In rankings

#15Best hardware wallets right now #4Best Bitcoin-only hardware wallets #8Most secure hardware wallets #5Best wallets for Bitcoin power users #29Easiest hardware wallets to use #24Best value hardware wallets #19Hardware wallets with the biggest screen #1Compatible with the most wallet apps #12Best connectivity #4Best hardware wallets of 2024

Specifications

Full specifications

Security

Secure Element chip: Yes
Dual Secure Elements: Yes
Air-gapped signing: Yes
100% air-gapped: Yes
Supply-chain & tamper protection: Yes
Secure boot: Yes
Anti-klepto (anti-exfil) signing: No

Firmware & open source

Open-source firmware: No
Source code available: Yes
Reproducible builds: Yes
Firmware licence: MIT + anti-sell clause
Upgradable firmware: Yes
Firmware update via: microSD
Bitcoin-only firmware / edition: Yes

Device lock

PIN lock: Yes
PIN entered on the device: Yes
Fingerprint unlock: No
Duress PIN / decoy wallet: Yes
Brick / wipe PIN: Yes
Wipe after failed attempts: Yes
Time-delayed unlock: Yes
Anti-phishing words: Yes

Keys & backup

BIP39 passphrase: Yes
Shamir backup (SLIP-39): No
Seed XOR: Yes
BIP85 child seeds: Yes
24-word seed: Yes
SeedQR backup: Yes
microSD backup: Yes
NFC backup card: No
User-added entropy (dice): Yes
Stateless use (no stored keys): Yes
Multiple seeds on one device: Yes

Bitcoin features

Multisig: Yes
Taproot: Yes
Miniscript: Yes
Message signing: Yes
Coin control: Yes
Own node connection: Yes
Tor support: Yes
Replace-by-fee: Yes
Silent Payments: No
Spending limits: Yes
Testnet: Yes

Supported assets

Altcoins & tokens: No
Bitcoin only: Yes

Connectivity

Signing connectivity: USB-C, NFC, QR code, microSD
USB: Yes
USB-C: Yes
Bluetooth: No
NFC: Yes
QR code camera: Yes
Animated QR (UR): No
microSD signing: Yes

Screen & input

Screen: Yes
Screen size: 2.3″
Screen type: LCD
Screen resolution: 320 × 240
Touchscreen: No
Colour screen: Yes
Gorilla Glass: No
Controls: Buttons
QWERTY keyboard: Yes

Battery & power

Built-in battery: Yes
Removable battery: Yes
Wireless charging: No

Design

Weight: 93 g
Length: 120 mm
Width: 75 mm
Thickness: 22 mm
Materials: Plastic
Water / dust resistance: No
Several colours available: No
Warranty (months): 0
Assembled in: Canada
DIY build possible: No

Apps

Desktop app: No
Mobile app: No
Works with wallet apps: Bitcoin Safe, Theya, Wasabi, Zeus, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, Blockstream Green, BlueWallet, Bitcoin Keeper, Bull, Liana, Casa, Unchained
Compatible third-party wallets: 16

Other features