Bip39 Seed. You would then do a basic Restoration having a command such as the just one below. (This command employs a sample wallet file bunlded with BTCRecover) What constitutes a "great wallet" is one which has clear, straightforward to access documentation on supported BIP requirements, derivation paths, and recovery https://friendlybookmark.com/story18569347/bip39-mnemonic-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39