Smartphone-based cold-storage wallet
Turn your extra phone, tablet, or any other iOS or Android device into a hardware wallet.
Simple, secure, sustainable
In a few simple steps, turn any unused Apple or Android phone into a secure hardware cold wallet for Polkadot, Kusama, and other Substrate-based chains.
User friendly
Simple to get, simple to set up, simple to use: No need to purchase anything, just follow a few simple setup steps and use all the built-in functionality
Nothing trashed, nothing purchased: Give your old devices a new life.
Rest assured that you're using a product that has not been targeted by attackers.
Open Source
See how private keys are derived from physically generated entropy (TRNG) and how they remain entirely confined within the secure element.
Most secure
Know that on top of the other security measures, the SoC in your Apple or Android device is used as a secure element.
Setting up your Device is Easy
Restore your dedicated iOS or Android device to factory settings, download Polkadot Vault, then go into Airplane Mode and always keep the device offline.
Setting up the device
Store 175 + Tokens Securely
Polkadot, Kusama, Astar, Moonbeam, Efinity and others.
Generate and Store Multiple Private Keys
Support for derived accounts enables multiple addresses with a single seed phrase.
Back up your seed phrase on paper
or use Banana Split for maximum security
Sign Transactions While Keeping Your Private Keys Offline
Transactions are initiated on a network-connected device with a compatible interface like Nova Wallet, SubWallet or Polkadot-JS, then scanned with your device.
Add new networks and Update them without breaking the Air Gap
Add newest parachain networks to store their tokens. Updates are done in an air-gapped way by scanning an animated QR code.
63 + Polkadot networks are supported
Portals for Parachains and Networks Storage
Nova Wallet
Get Nova
Polkadot JS
Get Polkadot JS
Get SubWallet
Get Talisman
How to Set Up Smartphone for Vault How To Sign a Transaction with Vault How does an offline device communicate with the outside world? How can I add a new network to Vault? How can I update metadata version for a network? Why should I use derived keys? What networks does Polkadot Vault support? How to Update Vault to a latest version?
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