Your owner wallet controls the Smart Vault. This browser keeps a separate signing key for supported in-app play. The saved key must match the key registered to the vault.
Changing browsers or devices, clearing browser storage, or replacing the registered key can leave this browser without play access. That access problem alone does not mean funds have moved. You can still use the owner wallet for supported funding and withdrawal actions when their own requirements are met.
Check before replacing a key
Section titled “Check before replacing a key”If Chain cannot check the key, use its retry option and wait for the result. An unreadable status is not proof that the key is missing or needs replacement.
If Chain confirms that this browser needs a new key, use the setup action with the vault’s owner wallet. Registering a replacement changes the vault’s authorized play key and may stop another browser or device from using its previous key. It does not recover an old private key or create a new vault.
Wait for registration
Section titled “Wait for registration”Approve the requested wallet action and wait for the registration result. A wallet confirmation prompt or a submitted transaction is not proof that the new key is registered.
If the change is unconfirmed, check that same attempt before starting another key change. The app may show sponsored-change limits or an option to pay network gas; use the requirements and timing shown for your account. See signing-access troubleshooting for unavailable, rejected, or uncertain results.
Never share your browser signing key, owner-wallet private key, or recovery phrase.
Frequently asked questions
Section titled “Frequently asked questions”This browser needs a new signing key. What should I do?
Section titled “This browser needs a new signing key. What should I do?”Sign in with the Smart Vault’s owner wallet and open My Smart Vault. If the key cannot be checked, use Retry first. Only when the app confirms that a new key is needed should you choose its signing-key setup action and approve the request.
A replacement updates the existing vault’s authorized play key and may replace another device’s key. Wait for registration to finish and for the app to show that this browser has the registered key. If the change is unconfirmed, check that attempt before starting another. Never share a signing key or owner-wallet secret.