Bip39 Npm. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety on your wallet that works together with your seed phrase to encrypt and protect your wallet. A PIN, On https://wearethelist.com/story20527033/bip39-words-https-linktr-ee-bip39-5-easy-facts-about-bip39-generator-described