Bip39 Npm. Recall, there is no this sort of point as a “Improper” passphrase. Just about every unique passphrase you enter is a completely new wallet. Be mindful when recovering your seed having a passphrase. What constitutes a "good wallet" is one that has distinct, very easy to obtain documentation https://totalbookmarking.com/story18954732/bip39-wallet-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work