Bip39 Passphrase. You should then do a basic Restoration using a command just like the one down below. (This command works by using a sample wallet file bunlded with BTCRecover) Entropy is a sophisticated characteristic. Your mnemonic might be insecure if this characteristic is made use of incorrectly. Read through https://bookmark-rss.com/story18627188/bip39-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained