Your backup.
Twelve words, the 13th, split shares, and what cannot be undone.
I lost my recovery phraseThere is nothing we can do, and that is not a policy — the phrase never reaches us. If the wallet still opens on your phone, write the phrase down now, before anything else.The 13th word, and what happens if you forget itAn optional passphrase on top of the twelve words. It is never stored anywhere, so forgetting it opens a different, empty wallet — with no way back.What a split backup is, and how to restore from oneSLIP-39 cuts your backup into several shares, and any agreed number of them rebuilds the wallet — so no single sheet of paper is enough to lose it or to steal it.