Update Chain Specs in Parity Signer
In most cases, chain specs need to be scanned only when adding a new chain. However, you need to update them if the chain updates its address format, native token, or genesis hash.
Your Parity Signer Device is always offline and is air-gapped, so specs are updated via scanning a QR code. You can use the Parity Technologies Metadata Portal or the Nova Wallet Metadata Portal to find QR codes which will provide your Parity Signer Device with the information required to update the chain specs.
Polkadot / Kusama / Westend Relay Chains specs
Supported
Supported
Parachains, Solochains specs
Not Supported
Supported
The following steps need to be carried out on your Parity Signer Device.
Navigate to the appropriate metadata portal. Note: This should be done on a device which is not your Parity Signer Device.
Select
the appropriate blockchain that you need to update the specs for.Select
the Chain Specs tab at the top of the metadata portal screen.Using your Parity Signer Device,
Select
Scan.Scan the Chain Specs QR code with your Parity Signer Device.
Review the verifier certificate and
Select
Approve.If there was a metadata update as well, follow these steps next: Update Chain Metadata in Parity Signer.
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