The seed phrase is a mnemonic phrase consisting of English words taken from a preselected dictionary. The seed phrase in Surf consists of 12 words.
When you create a Surf wallet, the corresponding seed phrase and a set of keys are automatically generated for it. Both the seed phrase and the keys are securely stored on your device.
If you log out of the Surf wallet or uninstall the app, the corresponding seed phrase and the generated key set will be deleted from your device.