Bip39 Npm. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works together with your seed phrase to encrypt and secure your wallet. A PIN, Alternatively, https://bookmarkfame.com/story18670128/bip39-list-https-linktr-ee-bip39-bip-39-no-further-a-mystery