I think you use your seed for everything.
Oef, tough break, I checked blockstream documentation, I couldn't find any recovery process for the app, nostr:npub1jg552aulj07skd6e7y2hu0vl5g8nl5jvfw8jhn6jpjk0vjd0waksvl6n8n any update on Greenlight account recovery?
Discussion
It should be tied to your seed phrase you used to generate your wallet, but claiming those funds on that node doesn't seem straight forward if you moved to another wallet/device for example