Metadata-less Signing
How to sign transactions without requiring metadata updates using Nova Wallet and Polkadot Vault
Using Polkadot Vault v7.0.0 and higher, you can sign transactions on any network without needing to add the networkβs metadata to your Polkadot Vault device. This functionality must be supported by the wallet you are using, and is available in Nova Wallet. You need to still add the chain specs for the chain that you wish to use: Update Chain Specs in Polkadot Vault
Ensure
that you have added the chain spec for the chain that you wish to interact with.Ensure
that you have added the correct account with the correct derivation path to your Nova Wallet.On your Nova Wallet device,
select
the correct account by selecting the identicon at the top right of the assets screen and then selecting the correct account. You may need to follow these steps Add Polkadot Vault Account to Nova WalletCreate the transaction on your Nova Wallet device.
``Select`` Continue, and then review the contextual information and select Confirm on your Nova Wallet device.
A QR code will now appear on your Nova Wallet device. You will see 2 QR codes. The βNew (Vault v7+)β QR code is an animated QR code that allows you to sign transactions without updating or adding the chainβs metadata.
On your Polkadot Vault device,
select
the QR code scanner.Scan
the QR code with your Polkadot Vault device and then review the transaction details and sign the transaction.A QR code will now appear on your Polkadot Vault device. On your Nova Wallet device,
select
Continue and thenscan
the QR code that is on your Polkadot Vault device.
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