Which one is right for you?

Coldcard (MK4) vs. Security Arts Quantum

Which one is better in 2025? In-depth comparison of Coldcard (MK4) and Security Arts Quantum

Coldcard (MK4) and Security Arts Quantum are two popular hardware wallets with different costs, ease of use, and compatibility.

We've compared Coldcard (MK4) head-to-head with Security Arts Quantum to help you decide which is best for your needs.

	Select a product	Select a product
	Coldcard (MK4) ₹18,999 Save ₹4000 1	Security Arts Quantum
Interfaces	NFC USB-C microSD	USB Micro-B
Seed Phrase	BIP39	—
Release Year	2022	—
Features	Air-gapped PSBT	Fido U2F
Works With	BTCPAY Bitcoin Core BlueWallet COLDCORE Casa Electrum Sparrow Wallet Specter Desktop Wasabi Wallet	—
Compatible With	—	Android Linux Windows macOS
Coins	Bitcoin (BTC)	Supports over 5000+ coins
Display	128 x 64 OLED	128 x 64 LCD
Open Source	Yes	—
Desktop	—	Quantum Manager
Secure Elements	ATECC608A DS28C36B	—
Size	—	65mm x 25mm x 8mm
Weight	—	12g
Materials	—	Plastic