When a checksum is invalid, warn the person the phrase just isn't something produced by your application, and request if they would like to use it in any case. This fashion, your app only should maintain the wordlists in your supported languages, however you can recover phrases produced by other https://cruxbookmarks.com/story19073840/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase