Bip39 Github. Try to remember, there's no such factor like a “Improper” passphrase. Just about every various passphrase you enter can be a totally new wallet. Be cautious when recovering your seed by using a passphrase. BIP39 specifies a list of 2048 words from which the mnemonic phrase is selected. https://bookmarkfriend.com/story18793041/bip39-wallet-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting