Bip39 Github. Recall, there is no this sort of matter as a “Improper” passphrase. Just about every different passphrase you enter is actually a totally new wallet. Watch out when recovering your seed by using a passphrase. This functions mainly because BIP39 is supported by a lot of wallet manufacturers. https://agendabookmarks.com/story18720894/bip39-passphrase-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting