Every time a checksum is invalid, alert the user that the phrase just isn't something generated by your app, and question if they want to use it in any case. By doing this, your app only needs to keep the wordlists for your personal supported languages, however you can Get http://josueaqpi312.huicopper.com/from-words-to-riches-just-how-to-successfully-make-use-of-bip39-passphrases-for-your-copyright-budgets