Bip39 Npm. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of stability towards your wallet that actually works along with your seed phrase to encrypt and guard your wallet. A PIN, https://bookmarkfly.com/story18704300/bip39-mnemonic-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean