Bip39 add private key https://hubpages.com/@lefwenuuyr Checksum creation: A checksum is created from this entropy employing SHA-256 hashing, which allows confirm the mnemonic's integrity later. Due to the fact adding a passphrase for your seed words produces a different wallet, every other passphrase you enter (which includes a passphrase entered improperly) https://get-social-now.com/story5763688/bip39-12-vs-24-helping-the-others-realize-the-advantages-of-bip39-recovery-tool-https-cutt-ly-uryc5rw7