Get the Vault Key Card
Cold wallet protection for the Zypto App. Authorise every transaction with a single tap, then your wallet goes straight back offline. The security you expect from a hardware wallet, without the hassle.
Tap. Approve. Back offline.
Cold wallet security without the usual complexity. The Zypto Vault Key Card gives you the protection you expect from a hardware wallet, with none of the hassle that usually comes with it. No setup rituals, no extra devices to manage, no cables.
Your wallet stays disconnected until you choose to act. No tap, no transaction.
Offline by default
Your wallet stays disconnected until you choose to act. No tap, no transaction.
Metal construction
Crafted from premium metal for durability and everyday use. Security you can actually take with you.
NFC shielding sleeve
Each card includes a matte black sleeve that blocks unwanted NFC interaction, keeping the card inactive until you need it.
Tap required
No transaction can be approved without your Vault Key Card present. One action, then offline again.
Cold storage, without the setup
Stay offline by default
Your wallets remain offline, with key access split between your device and your card. Each card supports up to 3 wallets.
Tap to approve
Open Zypto App with your PIN or biometrics, then tap your Vault Key Card to authorise. One action, full control.
Back offline instantly
Once approved, your wallet disconnects again in seconds. Nothing stays exposed longer than it needs to.
3FA protection, built around you
Every transaction follows a controlled, step-by-step approval flow, combining something you know, something you are, and something you hold.
Unlock your app
Access your wallet using your PIN or optional biometrics.
Prepare your transaction
Set up your transfer inside Zypto App. Nothing is approved yet.
Tap to authorise
Tap your Vault Key Card to complete the transaction. No card, no approval.
Specifications
Supported assets
The Vault Key Card secures keys for over 24,000 cryptocurrencies across 20+ blockchains - full ecosystem support, not just selected tokens. More chains are continuously being added.
Vault Key Card FAQs
How do I buy one?
Order the Vault Key Card from inside the Zypto App, where it links to your wallet securely from the start. Pricing and availability show for your region.
How many wallets does a card support?
Each Vault Key Card supports up to 3 wallets, with key access split between your device and the card.
Does it need charging?
No. The card is powered by NFC when you tap it - no batteries, no cables, no charging.
What if I lose it?
Your recovery phrase still restores your wallet. The included NFC shielding sleeve keeps the card inactive until you tap it. See how pairing works.
Which assets does it secure?
24,000+ cryptocurrencies across 20+ blockchains, with more added continuously.
