Bip39. You'd then do a primary recovery that has a command such as the one underneath. (This command uses a sample wallet file bunlded with BTCRecover) This could require creating a direct backup, a cryptic trace that only you would recognize, sharing elements of the passphrase with trusted relatives. In https://bookmarkspecial.com/story19669589/bip39-mnemonic-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list