Bip39’s entropy to mnemonic https://list.ly/i/11078004 Checksum creation: A checksum is created from this entropy making use of SHA-256 hashing, which can help validate the mnemonic's integrity afterwards. Since adding a passphrase to your seed words makes a whole new wallet, every other passphrase you enter (including a passphrase entered improperly) https://bookmarkshut.com/story21927276/bip39-bip32-not-known-factual-statements-about-bip39-mnemonic-https-dzen-ru-bip39-phrase-com