Bip39. You would probably then do a fundamental recovery using a command just like the one under. (This command makes use of a sample wallet file bunlded with BTCRecover) Entropy is a complicated element. Your mnemonic could be insecure if this function is applied incorrectly. Go through more From in https://socialdummies.com/story3610544/bip39-wallets-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled