Bip39 Mnemonic. You'd probably then do a simple Restoration with a command such as just one under. (This command utilizes a sample wallet file bunlded with BTCRecover) What constitutes a "good wallet" is one which has clear, very easy to access documentation on supported BIP expectations, derivation paths, and recovery https://bookmark-share.com/story18701722/bip39-passphrase-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic