Any time a checksum is invalid, alert the consumer that the phrase will not be a thing produced by your application, and question if they want to use it anyway. By doing this, your application only must hold the wordlists in your supported languages, however you can Recuperate phrases created https://thefairlist.com/story8908516/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-seed-phrase-mnemonics-generator