Bip39 Npm. The passphrase is not selected in the predefined list of 2048 words – it can be any word or phrase you choose. Any one else who discovers the phrase can steal the bitcoins. It should be saved solution, as an example it will have to not be typed https://bookmarkusers.com/story18574768/bip-39-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39