Bip39 Release Date. 249192D2). This 8-character string is exclusive to this wallet and its passphrase. This could serve as a warning on subsequent classes because it won't match your recorded fingerprint In case you have a typo in the passphrase. The BIP39 Wordlist Generator is a powerful tool for anyone https://troyiteqb.wikiexcerpt.com/3259655/the_anatomy_of_the_bip39_phrase_entropy_words_and_phrases_and_safety