Polkadot Vault
Looking for a secure hardware wallet for Polkadot? Polkadot Vault is a mobile cold wallet solution that allows you to safely sign transactions offline using a second device.
The information in this section of the wiki is relevant for Polkadot Vault version 6.3 and above.
Polkadot Vault is a cold storage solution, which allows you to turn your iOS or Android device into a dedicated hardware wallet for Polkadot, Kusama, and other Substrate-based chains. Your keys are kept secure (i.e. offline) at all times, and transactions are signed in an air-gapped way via QR codes.
Using Polkadot Vault in conjunction with Nova Wallet means you will use two mobile devices to sign transactions. It is important to note that the device which has Polkadot Vault installed on it should be:
Factory-reset to remove any previous data;
Disconnected from the internet;
Set to Airplane mode.
What is a Polkadot hardware wallet?
A Polkadot hardware wallet stores your DOT and other assets securely offline. Polkadot Vault turns any mobile device into a hardware wallet using air-gapped QR-code signing.
Is Polkadot Vault a cold wallet?
Yes, Polkadot Vault functions as a true cold wallet for Polkadot, as it stays completely offline and never connects to the internet during transactions.
How do I set up a cold wallet for Polkadot?
To set up a Polkadot cold wallet, install Polkadot Vault on a second device, reset it, enable Airplane Mode, and pair it with Nova Wallet. Transactions are signed via QR codes.
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