Bip39 Wallet. You'd probably then do a primary recovery using a command such as the one down below. (This command works by using a sample wallet file bunlded with BTCRecover) BIP39 can be a layout implementation that lays out how copyright wallets make the list of words (or "mnemonic codes") https://bookmarknap.com/story9097058/bip39-wallets-https-linktr-ee-bip39-about-ian-coleman-bip39