Bip39 Mnemonic. You'd probably then do a simple recovery with a command similar to the a single beneath. (This command makes use of a sample wallet file bunlded with BTCRecover) BIP39 can be a design implementation that lays out how copyright wallets make the list of words (or "mnemonic codes") https://yesbookmarks.com/story18753416/bip39-wallets-https-linktr-ee-bip39-the-best-side-of-bip39