Bip39 Npm. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, Alternatively, https://bookmarkindexing.com/story18564365/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-generator